HomeMy WebLinkAbout7.a. 2015 MS4 Scope of ServicesINK -)ID EXECUTIVE SUMMARY
UTILITY COMMISSION
Utility Commission Meeting: April 20, 2015
AGENDA ITEM: 2015 MS4 Scope of Services
AGENDA SECTION:
New Business
PREPARED BY: Andrew J. Brotzler, PE, Director of Public
AGENDA NO. 7.a.
Works / City Engineer
ATTACHMENTS: 2015 MS4 Scope of Services; 2014
SWAMP Summary; 2014 Water Level and
APPROVED BY:
Quality Monitoring Program Summary
RECOMMENDED ACTION: Recommend City Council Approve the 2015 MS4 Scope
of Services
ISSUE
Staff is requesting Utility Commission review and discussion of the following items:
• 2015 MS4 Scope of Services
• 2014 Storm Water Asset Management Program (SWAMP) summary and demonstration
• 2014 Water Level and Quality Monitoring program
BACKGROUND
Attached for Utility Commission review is the proposed Scope of Services, which includes the
continuation of the Storm Water Asset Management Program (SWAMP) and the Water Level and
Quality Monitoring Program. Included with this scope of services is a summary of the 2014 activities
for these programs.
An overview of the 2014 SWAMP and water monitoring activities was presented to the City Council at
a work session on April 13, 2015. City Council members are invited to the Utility Commission meeting
to view a demonstration of the SWAMP application, presented by staff from WSB & Associates, Inc.
The estimated fee of $41,150 for the proposed MS4 activities will be funded from the City's Storm Water
Utility Fund.
SUMMARY
Staff is requesting that the Utility Commission recommend City Council approval of the 2015 MS4
Scope of Services, which includes the continuation of the SWAMP and the Water Level and Quality
Monitoring Program.
GAMS4 Permit\20150420 UC MS4 Scope of Services.docx
WSB
& Associates, Inc.
engineering • planning • environmental • construction
April 8, 2015
Mr. Dwight Johnson
City of Rosemount
3875 145th Street West
Rosemount, MN 55068
701 Xenia Avenue South
Suite 300
Minneapolis, MN 55416
Tel: 763-541-4800
Fax: 763-541-1700
Re: Request for Authorization to Provide Professional Services for Program Support and
Implementation of the 5 -Year MS4 General Permit — Second Year.
Dear Mr. Johnson:
This letter is a scope of work for program implementation and support of the City of
Rosemount's 5 -year Municipal Separate Storm Sewer System (MS4) General Permit. WSB
worked cohesively with the City of Rosemount to update their MS4 program and bring the
required program changes into compliance throughout 2014. Moving forward, we are proposing
to complete the work as detailed below to ensure that the City of Rosemount's MS4 program
remains in compliance in 2015.
Task 1: Stormwater Pollution Prevention Plan Annual Program Management
(Total Estimated Fee: $3,500)
As part of this task, the WSB project manager will provide staff time in Rosemount as needed to
assist staff with the implementation of the updated Stormwater Pollution Prevention Program
(SWPPP), which was developed in Year 1. The WSB project manager will also provide a
monthly written summary to the City outlining the following items:
• Activities completed by WSB each month
• Tasks for staff members to complete as part of the program implementation
• Any updates from the MPGA, LMC, MCSC and VRWJPO that may offer benefits or
impacts to the City's MS4 Permit Activities.
Task 2: Stormwater Pollution Prevention Plan Support and Implementation — Year 2
(Total Estimated Fee: $5,900)
As part of this task, WSB will work with City staff to implement the annual requirements of the
MS4 permit to ensure the City of Rosemount's MS4 program remains in compliance in Year 2.
Equal Opportunity Employer
wsbeng.com
W:\NPDES\MS4\Proposa]sU015\Rosemouut\Rosemouut Annual MS4 Services Year 2 040815.doca
Mr. Dwight Johnson
April 8, 2015
Page 2
The implementation of these specific requirements has been divided into the following three
subtasks:
2.1 Annual Report
(Estimated Fee: $400)
The MS4 permit requires the City of Rosemount to submit an annual report detailing their
MS4 permit activities by June 30th of each calendar year. WSB will assist City staff with
the completion and submittal of the 2014 Annual Report.
2.2 Storm Sewer Inspection Program
(Estimated Fee: $3, 000)
WSB will provide a staff member to conduct inspections of 20% of the City -owned
outfalls during Year 2. This 20% outfall inspection schedule will allow the City to meet
the requirements to inspect all outfalls by the end of the 5 -year permit cycle. Inspections
will be documented in accordance with the procedures established in Year 1 of the
SWPPP Development and Implementation Plan.
Since 13 of the City's 61 ponds were inspected by WSB in 2014, an additional 12 ponds
should be inspected in 2015 to maintain the schedule of inspecting 20% of City -owned
ponds per year. The pond inspections for 2015 will be covered by the proposed detailed
pond inspections included in Task 3 of this proposal.
2.3 MS4 Education Implementation Plan
(Estimated Fee: $2,500)
The MS4 permit requires that the City of Rosemount develop an implementation plan for
their MS4 education program that identifies target audiences, including measurable goals
for each audience, specific activities to meet each measurable goal, and evaluation to
measure the extent to which the measurable goals for each target audience are attained.
This task will include identifying and analyzing target audiences, defining measurable
goals for each target audience, reviewing and developing educational messages and
materials, and implementing method(s) to evaluate the effectiveness of the education
program and messages that are developed.
Task 3: Stormwater Asset Management Program (SWAMP)
(Estimated Fee: $9,750 + SWAMP Software Subscription $3, 000 + Cost of Pond Review
Memos)
Rosemount's Stormwater Asset Management Program (SWAMP) is a web application that was
specifically designed to assist with assessing, scheduling, and budgeting inspection and
maintenance activities. It can be used to help meet the following MS4 permit requirements
(MCM — Minimum Control Measure):
• Pond Assessment Procedures (MCM 6): Evaluate the TSS and TP treatment effectiveness
of MS4 owned/operated ponds within the City.
W:\NPDES\MS4\Propomts\2015UZosemomt\Rosemomt Amml MS4 Services Year 2 040815.docx
Mr. Dwight Johnson
April 8, 2015
Page 3
Inspections (MCM 6): Assist with prioritizing inspections to determine proper function
and maintenance needs for ponds.
Maintenance (MCM 6): Assist with forecasting maintenance requirements to allow for
budgeting of future maintenance activities.
Long-term maintenance of structural BMPs (MCM 51- Assist with prioritizing
maintenance of both public and private BMPs.
As part of the approved scope of work for Year 1 MS4 Services, WSB finished building the
SWAMP database for the City of Rosemount. WSB then used the program to perform an
inspection prioritization of all the City's ponds to determine which ponds would require a
detailed pond inspection. Please see attachment for an overview of the work that has been
completed for SWAMP year-to-date (Attachment 1).
The following two subtasks are designed ensure priority stormwater basins are inspected and
address any identified maintenance needs:
3.1 Detailed Pond Inspections
(Estimated Fee $9,750)
This task consists of inspecting/surveying 13 ponds consistent with SWAMP inspection
prioritization. The SWAMP application will be updated to reflect the inspection results.
Findings from the inspections will be used to develop maintenance recommendations. If
inspections indicate maintenance is necessary, a pond review memo may be needed to
identify the extent of maintenance. The pond review memo is considered additional to
this scope of work as detailed in Subtask 3.2.
3.2 Pond Review Memos and Recommendations
(Estimated Fee TBD Based on Inspection Results)
Following inspections, pond review memos may be necessary to determine maintenance
recommendations. This includes a comprehensive review of each pond and the associated
drainage area. Modeling will be completed as needed to help determine the extent of
recommended maintenance. A cost benefit analysis will be completed for each pond to
determine the most cost effective maintenance activities. Recommendations for each
basin will be provided.
Task 4: Additional MS4 Program Services — Water Quality Monitoring Program
(Total Estimated Fee: $16,250, Sample Testing Cost: $2,750)
This water quality monitoring program is included as an additional MS4 program service
because it will be used to fulfill multiple program requirements in MCMs 5 and 6 related to
inspection, long-term operation, and maintenance of infiltration BMPs. The water quality
monitoring program provides the City with empirical data that will assist with:
• Guiding upcoming Watershed and City Stormwater Plan Updates and discussions with
observed runoff volumes and infiltration and evaporation rates
W:\NPDES\MS4\Propomts\2015UZosemomt\Rosemomt Amml MS4 Services Year 2 040815.docx
Mr. Dwight Johnson
April 8, 2015
Page 4
• Identify potential areas to receive regional volume reduction credit thought stormwater
reuse applications.
• Validating pond treatment efficiencies from the SWAMP program with sampled Total
Suspended Solids and Total Phosphorus concentrations.
• Supporting conclusions in the City's Non -Degradation study with observed infiltration
and evaporation data.
• Create a baseline for discharge volumes and pollutant loading assumptions of possible
future TMDLs in the Vermillion and Mississippi River.
As part of this task WSB will evaluate stormwater runoff volume reduction, and pollutant
removal performance of selected basins. This water quality monitoring program is intended to
align with the MS4 General Permit cycle. The monitoring equipment purchased by the City in
2014 will be utilized throughout the five year period. Data will be processed annually and a final
report will be complied at the end of Year 5 period. An interim summary of the 2014 monitoring
activities is provided in an attachment to this scope of work (Attachment 2).
4.1 Collect Surface Water Elevation and Rainfall Data
(Estimated Sub -Fee: $6,250)
The objective of this task is to monitor stormwater runoff volume reduction capabilities
through infiltration and evaporation, within selected basins in the City. WSB will install
continuous surface water level loggers to provide hourly water elevations during the
monitoring period. Water level data will be used to develop evaporation and infiltration
rates and rainfall to runoff ratios. Additionally, WSB will install two continuous rainfall
gauges within the City which will provide the date, duration, and intensity of each rainfall
event. The basins selected to be monitored and rain gauged locations are identified in
Figure 1. The components of this task include:
• Install ten continuous surface level loggers within selected basins and perform
monitoring from April through October.
• Install two continuous rainfall gauges
• Monthly maintenance and data downloads to ensure proper operation.
4.2 Collection of Water Quality Samples
(Estimated Sub -Fee: $3,500, Sample Testing Cost: $2,750)
The objective of this task is to determine pollutant loading from watersheds with various
land uses within the City. Additionally, this task will assess the water quality suitability
for stormwater reuse as compared to the State water quality guidelines for stormwater
harvesting and reuse system for irrigation.
Pollutant Loading — As part of this task, WSB will collect water samples from ten
selected basins as part of routine data collection activities to determine pollutant
concentrations. Sampling locations are identified in Figure 1.
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Mr. Dwight Johnson
April 8, 2015
Page 5
Water Samples will be collected monthly, for an estimated seven months, when water
depths allow The samples will be analyzed for the following parameters:
• Total Phosphorus ($12)
• Ortho — Phosphate($17)
• Total Suspended Solids ($10)
4.3 Annually Processing Monitored Data
(Estimated Sub -Fee: $6,500)
As part of this task, data collected during the monitoring period will be analyzed to
determine interim infiltration and evaporation rates, rainfall to runoff ratios, reuse
suitability assessment, and to identify if there are any changes that need to be made to the
monitoring protocol.
4.4 Final Report
(Fee Part of Future Work Plan)
A final report will be prepared and presented at the end of the five year
monitoring/permit cycle that will discuss data analysis, five year data trends for
infiltration and basin water quality and recommendations for infiltration basin design and
life span
Schedule
It is anticipated that the work outlined above will be completed from April through December
2015. This information will be presented to the City Council in 2016 as part of the 2015 Annual
Report Presentation.
Cost
This proposal outlines the work needed to complete the tasks associated with the City's MS4
Program. The total estimated hourly cost for the professional services for program support and
implementation of the 5 -Year MS4 General Permit — Second Year, Task 1-4 described above is
$35,400
WSB proposes to complete these Tasks 1 and 2 above for an estimated hourly cost of $9,400.
WSB proposes to complete work described in Task 3 above for an estimated hourly cost of
$9,750. In addition, authorize a direct billing of $3,000 for SWAMP software subscription cost.
WSB proposes to complete work described in Task 4 above for an estimated hourly cost of
$16,250. In addition, authorize a direct billing of $2,750 for sample testing cost.
This letter represents our complete understanding of the MS4 regulatory program and the
proposed scope of services. If you are in agreement with the scope of services and proposed fee,
please sign in the appropriate space below and return one copy to us.
W:\NPDES\MS4\Propomts\2015UZosemomt\Rosemomt Amml MS4 Services Year 2 040815.docx
Mr. Dwight Johnson
April 8, 2015
Page 6
We appreciate the opportunity to share this proposal with you, and look forward to working with
the City of Rosemount efficiently to maintain compliance with the MS4 permit. If you have any
questions about this proposal, please contact me at 763-287-7155 or mlitsey@wsbeng.com.
Sincerely,
WSB & Associates, Inc.
Meghan Litsey
Environmental Scientist
ACCEPTED BY:
City of Rosemount
Linnea Henkels
Environmental Scientist
I hereby authorize WSB & Associates, Inc. to complete Tasks 1 through 4 identified above
for an estimated hourly fee of $35,400. In addition, I authorize a direct bill of $3,000 for
SWAMP software subscription and $2,750 for sample testing cost.
Name
Signature
Date
W:\NPDES\MS4\Propomts\2015UZosemomt\Rosemomt Amml MS4 Services Year 2 040815.docx
■
WSB
& Assoc engineering • planning • en vironmental • construction
Memorandum
To: Andy Brotzler, PE, City of Rosemount
Phil Olson, PE, City of Rosemount
From: Jake Newhall, PE
Date: April 6, 2015
Re: 2014 SWAMP Summary
WSB Project No. 1928-27
701 Xenia Avenue South
Suite 300
Minneapolis, MN 55416
Tel: 763-541-4800
Fax: 763-541-1700
This memo provides an overview of the work that was completed to develop the City of
Rosemount SWAMP (Storm Water Asset Management Program) and has been written to be a
supplemental document to the SWAMP White Paper (see attached) that was recently completed
that provides detailed information regarding the City's SWAMP.
The SWAMP database has been customized to incorporate City of Rosemount Storm Water
Infrastructure. This program can be now used by the City to accomplish the following:
1. Estimating storm water BMP load accumulation. The program has an assigned
drainage area for each storm water basin in the City. Each storm water basin
degrades annually based on the unique characteristics of its drainage area.
2. Scheduling storm water basin inspection. The program prioritizes an
inspection/survey list to help identify which basins in the City are recommended to be
surveyed. Based on initial investigation, there are 14 storm water basins that have a
SWAMP score that is less than 65 of 100. One of these (Basin 1565) was already
inspected in the fall of 2014 and the SWAMP has been updated accordingly. It is
recommended to conduct 13 detailed storm water basin inspections in 2015.
It is a water resource design practice that once storm water basins are 50% full that
they no longer function as designed. Selecting storm water basins scoring less than
65 for inspections include the basins no longer functioning and designed and also
includes basins that may soon reach their design life expectancy. These ranges can be
adjusted as desired by the City and as budgeting and resources allow.
3. Determining which storm water basins require maintenance and/or offer the
most improvement opportunity. Inspections are recommended to help identify
maintenance needs. The 13 recommended inspections outlined in Item 2 would help
determine maintenance or improvement needs.
Equal Opportunity Employer
wsbeng.com
K\01928-270\Admin\Docs\SWAMPDocs\MEMO_2014SWAMPSm ry_0400615.dm
Mr. Andy Brotzler and Mr. Phil Olson
April 6, 2015
Page 2
4. Budgeting and allocating resources. By prioritizing inspections and maintenance
needs (Items 2 and 3) annual budgeting can be estimated regarding storm water basin
inspection and maintenance.
5. Tracking Pollutant Removal. The program has been set up to help the City track
and estimate total phosphorus and total suspended solids removals.
6. Reducing politics of pond maintenance. If questions arise regarding the timing of
certain maintenance activities, the SWAMP inspection schedule and prioritization can
be used as resource for determining maintenance timelines.
7. Meeting MS4 Permit requirements. The SWAMP will help the City meet the
requirements set forth by the Minnesota Pollution Control Agency (MPGA).
Minimum Control Measures 5 and 6 of the MS4 permit require the City to have a
standard operating procedure for inspections and maintenance of their MS4 owned
and operated facilities (BMPs). Minimum Control Measure 6 also requires the City to
develop pond assessments to determine the treatment effectiveness of stormwater
basins within the City.
K\01928-270\Admin\Docs\SWAMP Docs\MEMO_ 2014SWAMPS-ry_0400615.dm
A
WSB
& Associates, Inc.. engineering• planning• environmental• construction
Memorandum
To: Andy Brotzler, PE, City of Rosemount
Phil Olson, PE, City of Rosemount
From: Linnea Henkels, WSB & Associates
Date: April 8, 2015
Re: 2014 Monitoring Program Summary
WSB Project No. 1928-27, Task 3
701 Xenia Avenue South
Suite 300
Minneapolis, MN 55416
Tel: 763-541-4800
Fax: 763-541-1700
This memo provides an overview of the work that was completed for the 2014 Water Quality
Monitoring Program (Task 3 of the 2014 MS4 Services Agreement). A final report will be
prepared and presented at the end of the five year monitoring/permit cycle that will discuss data
analysis, five year data trends for infiltration and basin water quality and recommendations for
infiltration basin design and life span.
1. Pond water elevations were monitored at the following locations using continuous
level loggers. The monitoring locations are presented on Figure 1.
o Location 1 —
Marcotte 1408
o Location 2 —
Glendalough 1486
o Location 3 —
Trailer Park 1589
o Location 4 —
Unnamed 1687
o Location 5 —
Regional 1716
o Location 6 -
Erickson 578
o Location 7 —
Bloomfield 1864
o Location 8 —
O'Leary's 600
o Location 9 —
Wachter 2443
o Location 10
Shannon 614
o Location 11
- Birger Pond
In addition, rainfall was monitored at two locations. Pond elevation and rainfall was
plotted for each location, and those charts are included as Attachment 1.
2. Water Quality samples were collected monthly at the pond locations listed above, and
analyzed for total phosphorus, ortho-phosphate, and total suspended solids.
Additionally, samples were collected three times from Erickson (Location 6) and
Birger (Location 11) Ponds and analyzed for E. Coli, zinc, copper, pH, chloride, and
turbidity. The water quality summary tables for each location are provided as
Attachment 2.
Equal Opportunity Employer
wsbeng•com
Mr. Andy Brotzler and Mr. Phil Olson
April 8, 2015
Page 2
3. Water elevation data and rainfall was processed for the sites identified in bullet 1. For
Locations 1-10, water elevations and rainfall data was used to calculate rainfall to
runoff ratios and infiltration rates. The rainfall to runoff summary tables and
infiltration rate summary tables are included as Attachment 3 and 4 respectively.
K\01928-270\AdminWms\Monitoring Report\MEK40 2014MonitonngS-ry_0400615.dm
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Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location 1
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.19
0.080
6.0
7/16/2014
0.28
0.020
9.0
8/11/2014
0.09
0.040
6.0
9/17/2014
0.17
0.020
7.0
10/28/2014
0.18
0.010
16.0
Average
0.18
0.03
8.80
MA
0.28
0.08
16.00
MIN
0.09
0.01
6.00
Water uality analysis was performed y William Lloyd/ Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location 2
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.18
0.090
0.0
7/16/2014
0.40
0.010
11.0
8/11/2014
0.04
0.050
100.0
9/17/2014
0.23
0.030
10.0
10/28/2014
0.07
0.010
4.0
Average
0.18
0.038
25.0
MA
0.40
0.09
100.00
MIN
0.04
0.01
0.00
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd/ Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location 3
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.10
0.100
1.0
7/16/2014
0.18
0.050
2.0
8/11/2014
0.33
0.110
14.0
9/17/2014
0.21
0.030
10.0
10/28/2014
0.15
0.010
0.5
Average
0.19
0.060
5.5
MA
0.33
0.11
14.00
MIN
0.10
0.01
0.50
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd I Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location 4
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.10
0.020
8.0
7/16/2014
0.07
0.000
8.0
8/11/2014
0.15
0.010
22.0
9/19/2014
0.16
0.000
16.0
10/28/2014
0.07
0.000
13.0
Average
0.11
0.006
13.4
MA
0.16
0.02
22.00
MIN
0.07
0.00
8.00
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd/ Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location 5
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.10
0.020
10.0
7/16/2014
0.16
0.000
11.0
8/11/2014
0.08
0.010
19.0
9/17/2014
0.20
0.000
24.0
10/28/2014
0.14
0.040
15.0
Average
0.14
0.014
15.8
MA
0.20
0.040
24
MIN
0.08
0.000
10
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd/ Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 01928-270
TNTC -Too Numerous to Count
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd / Tri -City La oratory
* Indicates sample result elow recording limit
Location 6
Sampling
Date
Total
Phosphorus
(mJ/L)
Ortho
Phosphorus
(mJ/L)
Total
Suspended
Solids
/L
E.coli
(C U/100mL)
Copper
(ug/L)
inc (ug/L)
ph (p
Units)
Tur idity
(NTU)
chloride
(mg/L)
6/10/2014
0.12
0.020
8.0
16.00
3.5
22
8.63
6.8
7.2
7/16/2014
0.10
0.000
11.0
8/11/2014
0.29
0.180
19.0
TNTC
ND
ND
7.6
7.7
20.0
9/17/2014
0.26
0.070
12.0
10/28/2014
0.11
0.070
15.0
2 MPN/100/mL
ND
ND
7.4
7.0
9.3
Average
0.18
0.068
13.0
1.2
7.3
7.9
7.2
12.2
MA
0.29
0.18
19.00
3.50
22.00
8.63
7.70
20.00
MIN
0.10
0.00
8.00
ND
ND
7.40
6.80
7.20
TNTC -Too Numerous to Count
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd / Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location 7
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.45
0.310
2.0
7/16/2014
0.49
0.050
174.0
8/11/2014
0.26
0.020
51.0
9/17/2014
0.15
0.000
9.0
10/28/2014
0.56
0.010
260.0
Average
0.38
0.08
99.20
MA
0.56
0.310
260
MIN
0.15
0.000
2
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd/ Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location 8
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.17
0.030
2.0
7/16/2014
0.27
0.020
45.0
8/11/2014
0.22
0.020
39.0
9/17/2014
0.23
0.000
46.0
10/28/2014
0.08
0.030
19.0
Average
0.19
0.020
30.2
MA
0.27
0.030
46
MIN
0.08
0.000
2
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd/ Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location 9
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.19
0.050
2.0
7/16/2014
0.13
0.000
50.0
8/11/2014
0.19
0.030
14.0
9/17/2014
0.15
0.000
13.0
10/28/2014
0.27
0.020
19.0
Average
0.19
0.020
19.6
MA
0.27
0.050
50
MIN
0.13
0.000
2
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd/ Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results WSB Project No. 01928-270
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Location
10
Sampling
Date
Tota I
Phosphorus
(mg/L)
Ortho
Phosphorus
(mg/L)
Tota I
Suspended
Solids
m /L
6/10/2014
0.14
0.050
3.0
7/16/2014
0.26
0.010
19.0
8/11/2014
0.86
0.070
340.0
9/17/2014
0.41
0.010
66.0
10/28/2014
0.68
0.060
22.0
Average
0.47
0.040
90.0
MA
0.86
0.070
340
MIN
0.14
0.010
3
(-) Sample not collected due to low water levels
Water uality analysis was performed y William Lloyd/ Tri -City La oratory
* Indicates sample result elow recording limit
Water Quality Sampling Results
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 01928-270
TNTC - Too Numerous to Count
(-) Sample not collected due to lowwater levels
Water uality analysis was performed y William Lloyd / Tri -City La oratory
* Indicates sample result elow recording limit
Location 11
Sampling
Date
Total Ortho
Phosphorus Phosphorus
(mg/L) (mg/L)
Total
Suspended
Solids
m /L
E.coli
(C U/100mL)
Copper
(ug/L)
Inc (ug/L)
ph (p
Units)
Tur idity
(NTU)
chloride
(mg/L)
6/10/2014
0.04
0.030
34.0
8.00
ND
1.30
9.33
9.4
64.0
7/16/2014
0.36
0.040
24.0
8/11/2014
0.04
0.020
8.0
TNTC
ND
ND
8.30
10.90
39.80
9/17/2014
0.19
0.070
11.0
10/28/2014
0.10
0.070
2.0
2 MPN/100/mL
ND
ND
7.6
2.0
40.4
Average
0.15
0.046
15.8
0.4
8.4
7.4
48.1
MA
0.36
0.070
34
1.3
9.3
10.9
64.0
MIN
0.04
0.020
2
0.0
7.6
2.0
39.8
TNTC - Too Numerous to Count
(-) Sample not collected due to lowwater levels
Water uality analysis was performed y William Lloyd / Tri -City La oratory
* Indicates sample result elow recording limit
Rainfall to Runoff Ratio Data for:
Monitoring Location # 1 (Marcotte)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 1928-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
25 -Jul
0.7
906.98
907.09
2
1.90
0.21
50.5
0.049
0.07
11 -Au
0.09
906.34
906.36
6
1.90
0.05
50.5
0.012
0.14
16 -Au
0.03
906.16
906.16
1
1.90
0.01
50.5
0.002
0.05
17 -Au
0.7
906.14
906.23
12
1.90
0.21
50.5
0.050
0.07
21 -Au
0.13
906.13
906.13
6
1.90
0.03
50.5
0.008
0.06
23 -Aug
0.01
906.07
906.07
1
1.90
0.00
50.5
0.001
0.11
24 -Aug
0.13
906.03
906.05
2
1.90
0.03
50.5
0.008
0.06
28 -Aug
0.04
905.91
905.91
4
1.90
0.02
50.5
0.004
0.11
29 -Aug
0.26
905.90
905.93
6
1.90
0.08
50.5
0.019
0.07
29 -Aug
1.46
905.91
906.21
6
1.90
0.57
50.5
0.136
0.09
30 -Aug
0.02
906.19
906.19
1
1.90
0.00
50.5
0.001
0.05
31 -Aug
0.72
906.16
906.45
27
1.90
0.62
50.5
0.147
0.20
3 -Sep
0.18
906.40
906.42
4
1.90
0.04
50.5
0.010
0.05
9 -Sep
0.03
906.18
906.18
2
1.90
0.01
50.5
0.003
0.10
1 O -Sep
0.2
906.17
906.20
6
1.90
0.06
50.5
0.014
0.07
15 -Se
0.06
906.00
906.00
4
1.90
0.01
50.5
0.003
0.05
Range of Rainfall to
0.05
0.20
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.10
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 2 (Glendalough)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 19280-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
31 -May
0.55
923.83
923.89
2
1.39
0.22
143.3
0.019
0.03
-May
4.73
923.90
926.20
12
1.39
4.01
143.3
0.336
0.07
_31
7 -Jun
1.56
924.71
925.28
9
1.39
1.41
143.3
0.118
0.08
14 -Jun
0.49
924.09
924.27
5
1.39
0.60
143.3
0.050
0.10
14 -Jun
1.94
924.26
926.07
13
1.39
3.40
143.3
0.285
0.15
16 -Jun
0.46
925.64
925.74
5
1.39
0.48
143.3
0.040
0.09
18 -Jun
0.12
925.42
925.43
2
1.39
0.16
143.3
0.013
0.11
22 -Jun
0.17
925.41
925.48
2
1.39
0.22
143.3
0.019
0.11
28 -Jun
0.91
924.25
924.77
6
1.39
1.12
143.3
0.094
0.10
1 -Jul
0.14
924.40
924.46
2
1.39
0.22
143.3
0.018
0.13
6 -Jul
0.09
923.92
923.94
2
1.39
0.16
143.3
0.013
0.15
7 -Jul
0.73
923.83
924.26
3
1.39
0.80
143.3
0.067
0.09
11 -Jul
0.76
923.97
924.34
5
1.39
0.85
143.3
0.072
0.09
12 -Jul
0.48
924.26
924.54
3
1.39
0.59
143.3
0.049
0.10
14 -Jul
0.13
924.35
924.38
3
1.39
0.25
143.3
0.021
0.16
25 -Jul
0.7
923.67
923.99
4
1.39
0.71
143.3
0.060
0.09
1 6 -Aug
0.03
923.17
923.30
3
1.39
0.38
143.3
0.032
1.06
1 7 -Aug
0.53
923.29
923.57
6
1.39
0.80
143.3
0.067
0.13
1 7 -Aug
0.17
923.57
923.61
3
1.39
0.27
143.3
0.022
0.13
-Aug
0.13
923.51
923.55
4
1.39
0.32
143.3
0.027
0.21
_21
-Aug
0.13
923.46
923.48
2
1.39
0.16
143.3
0.013
0.10
_24
-Aug
0.04
923.36
923.37
2
1.39
0.15
143.3
0.012
0.31
_28
29 -Aug
0.26
923.36
923.51
5
1.39
0.54
143.3
0.046
0.18
-Aug
1.46
923.49
924.24
6
1.39
1.44
143.3
0.121
0.08
_29
-Aug
0.71
924.10
924.42
8
1.39
0.99
143.3
0.083
0.12
_31
3 -Sep
0.18
924.19
924.22
3
1.39
0.25
143.3
0.021
0.12
1 O -Sep
0.2
923.78
923.83
5
1.39
0.42
143.3
0.035
0.17
1 5 -Sep
0.06
923.61
923.61
3
1.39
0.21
143.3
0.017
0.29
-Sep
0.4
923.41
923.67
3
1.39
0.56
143.3
0.047
0.12
_20
-Sep
0.05
923.36
923.37
2
1.39
0.15
143.3
0.013
0.26
_29
1 -Oct
0.96
923.31
923.81
8
1.39
1.23
143.3
0.103
0.11
2 -Oct
0.43
923 .79
923.98
10
1.39
0.94
143.3
0.079
0.18
3 -Oct
0.15
923.94
923.98
5
1.39
0.40
143.3
0.033
0.22
13 -Oct
0.12
923.59
923.61
5
1.39
0.37
143.3
0.031
0.26
23 -Oct
0.07
923.29
923.30
3
1.39
0.22
143.3
0.018
0.26
Range of Rainfall to
0.03
1.06
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.09
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 3 (Trailer Park)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 19280-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
7 -Jun
1.55
925.53
927.16
9
0.87
1.41
38.3
0.442
0.29
12 -Jun
0.05
925.63
925.65
3
0.87
0.02
38.3
0.006
0.12
14 -Jun
0.49
925.54
925.99
5
0.87
0.40
38.3
0.125
0.25
14 -Jun
1.94
925.99
928.94
12
0.87
2.57
38.3
0.806
0.42
16 -Jun
0.46
926.96
927.30
5
0.87
0.29
38.3
0.091
0.20
18 -Jun
0.15
926.41
926.47
4
0.87
0.06
38.3
0.018
0.12
19 -Jun
2.5
926.14
929.18
7
0.87
2.64
38.3
0.829
0.33
19 -Jun
0.23
928.15
928.92
13
0.87
0.67
38.3
0.211
0.92
22 -Jun
0.17
926.30
926.38
2
0.87
0.07
38.3
0.023
0.14
28 -Jun
0.91
925.54
926.45
6
0.87
0.80
38.3
0.250
0.27
29 -Jun
0.04
926.40
926.43
1
0.87
0.03
38.3
0.010
0.24
30 -Jun
0.06
926.04
926.06
2
0.87
0.02
38.3
0.006
0.11
1 -Jul
0.14
925.84
926.06
2
0.87
0.19
38.3
0.059
0.42
7 -Jul
0.73
925.54
926.53
2
0.87
0.86
38.3
0.269
0.37
11 -Jul
0.8
925.56
926.78
6
0.87
1.06
38.3
0.332
0.41
12 -Jul
0.48
926.35
927.16
3
0.87
0.71
38.3
0.222
0.46
14 -Jul
0.13
926.21
926.32
3
0.87
0.09
38.3
0.029
0.22
25 -Jul
0.7
925.54
925.89
3
0.87
0.30
38.3
0.093
0.13
11 -Aug
0.1
925.55
925.63
13
0.87
0.07
38.3
0.023
0.23
17 -Aug
0.53
926.62
927.54
6
0.87
0.80
38.3
0.251
0.47
21 -Aug
0.09
926.62
926.69
2
0.87
0.07
38.3
0.021
0.23
24 -Aug
0.13
926.20
926.25
2
0.87
0.05
38.3
0.014
0.11
28 -Aug
0.04
925.88
925.90
2
0.87
0.02
38.3
0.005
0.13
29 -Aug
0.26
925.88
926.30
5
0.87
0.37
38.3
0.116
0.45
29 -Aug
1.44
926.24
927.69
5
0.87
1.26
38.3
0.394
0.27
31 -Aug
0.71
926.72
927.71
14
0.87
0.87
38.3
0.272
0.38
3 -Sep
0.16
927.11
927.19
3
0.87
0.06
38.3
0.020
0.12
1 O -Sep
0.2
926.05
926.28
6
0.87
0.20
38.3
0.064
0.32
20 -Sep
0.4
925.62
926.57
3
0.87
0.83
38.3
0.260
0.65
29 -Sep
0.05
925.80
925.84
3
0.87
0.03
38.3
0.011
0.21
1 -Oct
0.96
925.72
927.29
10
0.87
1.36
38.3
0.427
0.44
2 -Oct
0.44
927.09
927.97
34
0.87
0.77
38.3
0.243
0.55
13 -Oct
0.12
926.02
926.10
6
0.87
0.07
38.3
0.023
0.20
23 -Oct
0.06
925.55
925.59
3
0.87
0.03
38.3
0.010
0.17
Range of Rainfall to
0.11
0.92
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.35
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 4 (Unnamed)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 19280-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
7 -Jun
1.57
928.12
929.48
21
0.55
1.83
51.8
0.424
0.27
12 -Jun
0.03
928.19
928.21
2
0.55
0.11
51.8
0.026
0.88
14 -Jun
2.35
927.80
930.87
19
0.55
2.67
51.8
0.619
0.26
16 -Jun
0.46
929.78
929.98
4
0.55
0.32
51.8
0.073
0.16
18 -Jun
0.15
929.37
929.41
3
0.55
0.17
51.8
0.040
0.27
19 -Jun
2.5
929.08
931.19
7
0.55
1.52
51.8
0.353
0.14
19 -Jun
0.23
930.54
930.86
9
0.55
0.64
51.8
0.148
0.64
22 -Jun
0.17
929.40
929.47
2
0.55
0.14
51.8
0.033
0.19
28 -Jun
0.77
929.59
930.18
5
0.55
0.59
51.8
0.136
0.18
30 -Jun
0.06
929.76
929.79
3
0.55
0.17
51.8
0.039
0.66
1 -Jul
0.14
929.74
929.86
2
0.55
0.17
51.8
0.040
0.28
6 -Jul
0.09
929.55
929.60
3
0.55
0.18
51.8
0.042
0.46
7 -Jul
0.73
929.49
930.29
2
0.55
0.55
51.8
0.127
0.17
11 -Jul
0.79
929.63
930.22
5
0.55
0.58
51.8
0.135
0.17
12 -Jul
0.37
929.83
930.36
2
0.55
0.39
51.8
0.091
0.25
14 -Jul
0.13
929.89
929.96
3
0.55
0.19
51.8
0.045
0.34
25 -Jul
0.69
929.42
929.93
3
0.55
0.43
51.8
0.101
0.15
11 -Aug
0.05
928.13
928.16
3
0.55
0.17
51.8
0.040
0.80
17 -Aug
0.7
928.47
929.15
13
0.55
1.04
51.8
0.242
0.35
21 -Aug
0.13
928.64
928.72
4
0.55
0.25
51.8
0.058
0.45
24 -Aug
0.13
928.46
928.50
2
0.55
0.12
51.8
0.028
0.22
29 -Aug
0.26
928.23
928.45
5
0.55
0.38
51.8
0.088
0.34
29 -Aug
1.44
928.41
929.71
5
0.55
0.97
51.8
0.225
0.16
31 -Aug
0.71
929.12
929.75
8
0.55
0.75
51.8
0.175
0.25
3 -Sep
0.18
929.15
929.21
3
0.55
0.19
51.8
0.044
0.24
1 O -Sep
0.2
928.47
928.62
6
0.55
0.39
51.8
0.091
0.45
20 -Sep
0.4
928.09
928.58
2
0.55
0.38
51.8
0.087
0.22
29 -Sep
0.05
928.08
928.10
2
0.55
0.12
51.8
0.027
0.54
1 -Oct
0.95
928.01
928.92
7
0.55
0.86
51.8
0.200
0.21
2 -Oct
0.41
928.82
929.19
7
0.55
0.56
51.8
0.129
0.32
4 -Oct
0.15
929.01
929.12
4
0.55
0.27
51.8
0.062
0.41
13 -Oct
0.12
928.36
928.42
5
0.55
0.29
51.8
0.067
0.56
23 Oct
0.07
927.97
927.99
4
0.55
0.22
51.8
0.050
0.71
Range of Rainfall to
0.14
0.88
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.21
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 5 (Regional)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 19280-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
7 -Jun
1.53
916.16
916.64
8
2.69
2.79
178.2
0.188
0.12
12 -Jun
0.05
916.09
916.11
4
2.69
0.81
178.2
0.055
1.10
14 -Jun
2.35
915.98
917.47
19
2.69
7.58
178.2
0.510
0.22
16 -Jun
0.46
916.44
916.64
5
2.69
1.48
178.2
0.099
0.22
18 -Jun
0.17
916.33
916.38
4
2.69
0.88
178.2
0.059
0.35
19 -Jun
2.62
916.28
917.48
14
2.69
5.86
178.2
0.395
0.15
22 -Jun
0.16
916.41
916.43
1
2.69
0.23
178.2
0.016
0.10
28 -Jun
0.9
916.06
916.58
5
2.69
2.34
178.2
0.157
0.17
30 -Jun
0.05
916.22
916.23
1
2.69
0.23
178.2
0.015
0.31
1 -Jul
0.14
916.16
916.25
2
2.69
0.61
178.2
0.041
0.29
6 -Jul
0.09
915.87
915.90
3
2.69
0.65
178.2
0.044
0.48
7 -Jul
0.73
915.79
916.56
3
2.69
2.62
178.2
0.176
0.24
11 -Jul
0.79
915.96
916.64
5
2.69
2.78
178.2
0.187
0.24
12 -Jul
0.47
916.28
916.82
3
2.69
2.02
178.2
0.136
0.29
14 -Jul
0.13
916.27
916.31
3
2.69
0.65
178.2
0.044
0.34
25 -Jul
0.7
915.66
916.21
5
2.69
2.40
178.2
0.162
0.23
11 -Aug
0.06
915.20
915.25
3
2.69
0.70
178.2
0.047
0.79
17 -Aug
0.52
915.93
916.79
6
2.69
3.45
178.2
0.232
0.45
21 -Aug
0.13
915.87
915.95
4
2.69
0.98
178.2
0.066
0.51
24 -Aug
0.13
915.76
915.82
3
2.69
0.70
178.2
0.047
0.36
29 -Aug
0.26
915.62
915.74
5
2.69
1.28
178.2
0.086
0.33
29 -Aug
1.35
915.73
916.83
5
2.69
3.90
178.2
0.263
0.19
31 -Aug
0.71
916.06
916.47
8
2.69
2.61
178.2
0.176
0.25
3 -Sep
0.18
916.03
916.08
4
2.69
0.89
178.2
0.060
0.33
1 O -Sep
0.2
915.73
915.87
5
2.69
1.32
178.2
0.089
0.44
20 -Sep
0.41
915.46
915.80
6
2.69
2.05
178.2
0.138
0.34
29 -Sep
0.05
915.52
915.53
2
2.69
0.42
178.2
0.028
0.57
1 -Oct
0.95
915.48
916.27
7
2.69
3.45
178.2
0.233
0.24
2 -Oct
0.33
916.10
916.22
3
2.69
0.89
178.2
0.060
0.18
4 -Oct
0.15
916.05
916.14
4
2.69
0.99
178.2
0.067
0.44
Range of Rainfall to
0.10
1.10
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.19
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 6 (Erickson)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 19280-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
7 -Jun
1.13
919.56
920.06
4
1.14
0.94
134.6
0.084
0.07
11 -Jun
0.04
919.58
919.70
3
1.14
0.41
134.6
0.037
0.92
14 -Jun
0.37
919.62
920.11
4
1.14
0.92
134.6
0.082
0.22
14 -Jun
1.94
919.84
920.96
14
1.14
2.58
134.6
0.230
0.12
16 -Jun
0.46
920.17
920.31
6
1.14
0.72
134.6
0.064
0.14
18 -Jun
0.17
919.75
919.90
4
1.14
0.55
134.6
0.049
0.29
19 -Jun
2.5
919.73
921.34
7
1.14
2.49
134.6
0.222
0.09
19 -Jun
0.23
920.85
921.28
10
1.14
1.42
134.6
0.126
0.55
22 -Jun
0.16
919.91
919.94
1
1.14
0.14
134.6
0.012
0.08
28 -Jun
0.9
919.54
920.03
5
1.14
1.03
134.6
0.091
0.10
29 -Jun
0.04
919.82
919.88
2
1.14
0.26
134.6
0.023
0.57
30 -Jun
0.06
919.69
919.80
3
1.14
0.41
134.6
0.037
0.61
6 -Jul
0.09
919.58
919.74
4
1.14
0.56
134.6
0.050
0.55
7 -Jul
0.73
919.68
920.22
2
1.14
0.81
134.6
0.072
0.10
11 -Jul
0.64
919.68
920.20
4
1.14
0.96
134.6
0.085
0.13
12 -Jul
0.37
919.75
920.17
1
1.14
0.57
134.6
0.051
0.14
14 -Jul
0.13
919.71
919.92
4
1.14
0.62
134.6
0.055
0.42
9 -Sep
0.2
919.63
919.96
9
1.14
1.21
134.6
0.108
0.54
15 -Sep
0.06
919.51
919.56
5
1.14
0.53
134.6
0.047
0.78
20 -Sep
0.4
919.42
920.02
2
1.14
0.87
134.6
0.078
0.19
24 -Sep
0.04
919.52
919.52
6
1.14
0.56
134.6
0.050
1.25
29 -Sep
0.05
919.43
919.47
1
1.14
0.13
134.6
0.012
0.24
1 -Oct
0.85
919.42
920.28
4
1.14
1.35
134.6
0.120
0.14
2 -Oct
0.25
919.72
920.18
2
1.14
0.71
134.6
0.063
0.25
4 -Oct
0.15
919.71
919.94
3
1.14
0.54
134.6
0.048
0.32
13 -Oct
0.12
919.47
919.69
6
1.14
0.81
134.6
0.073
0.60
23 -Oct
0.07
919.47
919.53
3
1.14
0.35
134.6
0.031
0.45
Range of Rainfall to
0.07
1.25
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.11
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 7 (Bloomfield)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 1928-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
7 -Jun
1.55
908.33
908.85
9
0.79
0.44
49.1
0.107
0.07
14 -Jun
1.99
908.28
909.72
17
0.79
1.19
49.1
0.292
0.15
16 -Jun
0.46
908.66
908.87
5
0.79
0.18
49.1
0.045
0.10
18 -Jun
0.17
908.62
908.67
4
0.79
0.05
49.1
0.012
0.07
22 -Jun
0.17
908.55
908.58
3
0.79
0.03
49.1
0.008
0.05
28 -Jun
0.9
908.26
908.81
5
0.79
0.44
49.1
0.108
0.12
30 -Jun
0.05
908.60
908.60
1
0.79
0.01
49.1
0.002
0.03
1 -Jul
0.14
908.52
908.60
2
0.79
0.07
49.1
0.017
0.12
6 -Jul
0.09
908.33
908.35
2
0.79
0.02
49.1
0.005
0.05
7 -Jul
0.73
908.29
908.84
2
0.79
0.44
49.1
0.107
0.15
11 -Jul
0.79
908.46
908.96
5
0.79
0.42
49.1
0.102
0.13
12 -Jul
0.47
908.78
909.25
3
0.79
0.39
49.1
0.094
0.20
14 -Jul
0.13
908.70
908.72
3
0.79
0.03
49.1
0.007
0.05
25 -Jul
0.69
908.22
908.68
3
0.79
0.37
49.1
0.091
0.13
11 -Aug
0.09
908.09
908.11
8
0.79
0.04
49.1
0.011
0.12
17 -Aug
0.52
908.44
909.19
6
0.79
0.61
49.1
0.149
0.29
21 -Aug
0.13
908.50
908.57
4
0.79
0.07
49.1
0.016
0.13
24 -Aug
0.13
908.41
908.52
3
0.79
0.09
49.1
0.023
0.18
29 -Aug
0.26
908.35
908.48
6
0.79
0.12
49.1
0.029
0.11
29 -Aug
1.35
908.45
909.54
5
0.79
0.87
49.1
0.213
0.16
31 -Aug
0.71
908.67
909.05
8
0.79
0.33
49.1
0.080
0.11
3 -Sep
0.18
908.62
908.66
3
0.79
0.04
49.1
0.009
0.05
9 -Sep
0.25
908.36
908.49
13
0.79
0.14
49.1
0.035
0.14
20 -Sep
0.4
908.28
908.57
3
0.79
0.24
49.1
0.058
0.15
1 -Oct
0.93
908.30
908.90
7
0.79
0.50
49.1
0.121
0.13
2 -Oct
0.41
908.75
908.85
7
0.79
0.10
49.1
0.024
0.06
4 -Oct
0.15
908.75
908.81
3
0.79
0.06
49.1
0.015
0.10
23 -Oct
0.07
908.24
908.24
2
0.79
0.01
49.1
0.002
0.03
Range of Rainfall to
0.03
0.29
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.13
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 8 (O'Leary's)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 1928-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
7 -Jun
1.53
929.86
930.48
8
5.56
3.65
119.0
0.368
0.24
12 -Jun
0.03
929.97
929.99
2
5.56
0.14
119.0
0.014
0.46
14 -Jun
2.24
929.90
931.34
18
5.56
8.44
119.0
0.851
0.38
16 -Jun
0.46
930.22
930.41
5
5.56
1.17
119.0
0.118
0.26
18 -Jun
0.17
930.18
930.22
4
5.56
0.33
119.0
0.033
0.20
19 -Jun
2.5
930.16
931.89
7
5.56
9.76
119.0
0.984
0.39
22 -Jun
0.17
930.08
930.11
2
5.56
0.17
119.0
0.017
0.10
28 -Jun
0.9
929.95
930.53
6
5.56
3.39
119.0
0.342
0.38
1 -Jul
0.14
930.13
930.18
2
5.56
0.37
119.0
0.038
0.27
6 -Jul
0.09
930.12
930.15
3
5.56
0.20
119.0
0.021
0.23
7 -Jul
0.73
930.10
930.57
2
5.56
2.63
119.0
0.265
0.36
11 -Jul
0.79
930.09
930.51
5
5.56
2.44
119.0
0.246
0.31
12 -Jul
0.47
930.29
930.86
3
5.56
3.24
119.0
0.327
0.70
14 -Jul
0.13
930.21
930.24
4
5.56
0.24
119.0
0.024
0.19
25 -Jul
0.69
929.89
930.36
3
5.56
2.69
119.0
0.272
0.39
17 -Aug
0.53
929.65
930.45
7
5.56
4.58
119.0
0.462
0.87
18 -Aug
0.16
930.37
930.39
1
5.56
0.17
119.0
0.017
0.11
21 -Aug
0.13
929.99
930.04
5
5.56
0.39
119.0
0.039
0.30
24 -Aug
0.13
929.93
929.95
3
5.56
0.19
119.0
0.019
0.15
29 -Aug
0.26
929.86
929.96
6
5.56
0.67
119.0
0.067
0.26
29 -Aug
1.44
929.95
930.47
6
5.56
3.04
119.0
0.307
0.21
31 -Aug
0.62
930.14
930.46
7
5.56
1.96
119.0
0.198
0.32
3 -Sep
0.18
930.12
930.15
4
5.56
0.29
119.0
0.029
0.16
9 -Sep
0.25
929.93
930.05
12
5.56
0.93
119.0
0.094
0.38
20 -Sep
0.4
929.85
929.99
2
5.56
0.83
119.0
0.083
0.21
1 -Oct
0.93
929.80
930.32
7
5.56
3.04
119.0
0.307
0.33
2 -Oct
0.41
930.16
930.30
7
5.56
0.97
119.0
0.098
0.24
4 -Oct
0.15
930.13
930.18
4
5.56
0.34
119.0
0.034
0.23
13 -Oct
0.12
929.86
929.90
6
5.56
0.37
119.0
0.037
0.31
Range of Rainfall to
0.10
0.87
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.35
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 9 (Wachter)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 1928-270
Rain Event Rainfall
Event (in)
Start
Elevation
(ft)
End
Elevation
(ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
7 -Jun
1.57
910.446
911.432
10
5.10
5.33
367.9
0.174
0.111
12 -Jun
0.04
910.478
910.490
3
5.10
0.15
367.9
0.005
0.123
18 -Jun
0.15
911.116
911.131
3
5.10
0.17
367.9
0.005
0.036
22 -Jun
0.17
911.283
911.300
2
5.10
0.15
367.9
0.005
0.029
28 -Jun
0.91
910.284
911.469
9
5.10
6.32
367.9
0.206
0.226
1 -Jul
0.14
910.900
910.969
2
5.10
0.41
367.9
0.013
0.096
6 -Jul
0.09
910.471
910.492
2
5.10
0.16
367.9
0.005
0.060
7 -Jul
0.73
910.360
911.237
8
5.10
4.71
367.9
0.154
0.211
11 -Jul
0.8
910.767
911.534
11
5.10
4.24
367.9
0.138
0.173
14 -Jul
0.13
911.639
911.647
2
5.10
0.10
367.9
0.003
0.025
25 -Jul
0.7
910.263
911.024
8
5.10
4.12
367.9
0.134
0.192
11 -Aug
0.04
909.743
909.755
2
5.10
0.12
367.9
0.004
0.098
17 -Aug
0.53
909.410
910.769
9
5.10
7.20
367.9
0.235
0.443
18 -Aug
0.17
910.771
910.879
4
5.10
0.67
367.9
0.022
0.128
21 -Aug
0.13
910.508
910.578
4
5.10
0.48
367.9
0.016
0.119
24 -Aug
0.13
910.362
910.422
3
5.10
0.40
367.9
0.013
0.100
28 -Aug
0.04
910.160
910.163
1
5.10
0.04
367.9
0.001
0.036
29 -Aug
0.26
910.143
910.276
7
5.10
0.89
367.9
0.029
0.112
29 -Aug
1.46
910.256
911.289
9
5.10
5.54
367.9
0.181
0.124
31 -Aug
0.72
911.030
911.687
10
5.10
3.65
367.9
0.119
0.165
3 -Sep
0.18
911.194
911.224
3
5.10
0.25
367.9
0.008
0.045
10 -Sep
0.2
910.521
910.669
8
5.10
1.00
367.9
0.033
0.163
15 -Sep
0.06
910.312
910.318
3
5.10
0.12
367.9
0.004
0.066
20 -Sep
0.41
909.925
910.160
6
5.10
1.38
367.9
0.045
0.109
29 -Sep
0.05
909.698
909.704
3
5.10
0.12
367.9
0.004
0.079
1 -Oct
0.97
909.606
910.635
18
5.10
5.79
367.9
0.189
0.195
2 -Oct
0.43
910.628
911.068
10
5.10
2.55
367.9
0.083
0.193
4 -Oct
0.15
910.952
911.025
5
5.10
0.52
367.9
0.017
0.114
13 -Oct
0.12 1
910.228 1
910.264 1
6
5.10
0.36
367.9
1 0.012 1
0.099
23 -Oct
0.07 1
909.780 1
909.786 1
3
5.10
0.12
367.9
1 0.004 1
0.055
Range of Rainfall to
0.02
0.44
Runoff Ratios
Rainfall to Runoff
Ratio Based on
0.16
Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Rainfall to Runoff Ratio Data for:
Monitoring Location # 10 (Shannon)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
WSB Project No. 1928-270
Rainfall
Rain Event
Event (in)
Start Elevation (ft)
End Elevation (ft)
Duration
of Period
(hr)
Pond
Area
(ac)
Runoff
Inflow
Volume*
ac -ft
Watershed
Area (ac)
Runoff
(in)
Rainfall /
Runoff
Ratio
7 -Jun
1.53
910.25
910.66
7
3.17
1.43
139.9
0.123
0.08
14 -Jun
2.45
908.15
910.86
37
3.17
9.28
139.9
0.796
0.33
16 -Jun
0.46
910.77
910.95
4
3.17
0.64
139.9
0.055
0.12
18 -Jun
0.15
910.62
910.65
3
3.17
0.15
139.9
0.013
0.09
19 -Jun
1.68
910.65
911.63
3
3.17
3.14
139.9
0.270
0.16
28 -Jun
0.91
911.05
911.51
5
3.17
1.54
139.9
0.133
0.15
1 -Jul
0.14
910.02
910.03
1
3.17
0.05
139.9
0.004
0.03
6 -Jul
0.09
908.87
908.89
2
3.17
0.09
139.9
0.008
0.09
7 -Jul
0.73
909.02
909.32
1
3.17
0.96
139.9
0.083
0.11
11 -Jul
0.8
909.01
909.70
5
3.17
2.27
139.9
0.194
0.24
12 -Jul
0.48
909.88
910.56
11
3.17
2.39
139.9
0.205
0.43
14 -Jul
0.13
910.16
910.18
1
3.17
0.07
139.9
0.006
0.04
25 -Jul
0.69
909.10
909.31
2
3.17
0.72
139.9
0.062
0.09
11 -Aug
0.06
908.17
908.18
3
3.17
0.08
139.9
0.007
0.12
16 -Aug
0.03
908.11
908.15
3
3.17
0.16
139.9
0.014
0.46
17 -Aug
0.53
908.11
908.97
5
3.17
2.82
139.9
0.242
0.46
21 -Aug
0.13
908.44
908.50
4
3.17
0.26
139.9
0.022
0.17
24 -Aug
0.13
908.36
908.43
2
3.17
0.25
139.9
0.022
0.17
28 -Aug
0.04
908.25
908.25
1
3.17
0.03
139.9
0.003
0.07
29 -Aug
0.26
908.24
908.34
4
3.17
0.40
139.9
0.034
0.13
29 -Aug
1.46
908.32
909.03
5
3.17
2.32
139.9
0.199
0.14
30 -Aug
0.02
908.98
908.98
1
3.17
0.03
139.9
0.002
0.11
31 -Aug
0.71
908.90
909.33
7
3.17
1.50
139.9
0.129
0.18
3 -Sep
0.18
909.07
909.08
4
3.17
0.12
139.9
0.010
0.06
10 -Sep
0.2
908.63
908.75
4
3.17
0.44
139.9
0.038
0.19
15 -Sep
0.06
908.47
908.48
4
3.17
0.10
139.9
0.009
0.15
20 -Sep
0.4
908.26
908.50
2
3.17
0.77
139.9
0.066
0.17
1 -Oct
0.96
908.15
908.82
7
3.17
2.26
139.9
0.194
0.20
2 -Oct
0.42
908.74
908.97
7
3.17
0.87
139.9
0.075
0.18
4 -Oct
0.15
908.85
908.91
4
3.17
0.24
139.9
0.020
0.14
13 -Oct
0.12
908.41
908.45
4
3.17
0.20
139.9
0.017
0.14
Range of Rainfall to Runoff
0.03
0.46
Ratios
Rainfall to Runoff Ratio
0.21
Based on Linear Regression
* E/I = Evaporation and infiltration rate included in volume calculation
Infiltration and Evaporation Rates for: WSB Project No. 1928-270
Monitoring Location # 1 (Marcotte)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
7/15--7/16
907.23
907.20
0.02
28
0.010
1.90
0.05
7/16--7/25
907.25
906.98
0.26
210
0.015
1.90
0.50
7/25--7/27
907.09
907.03
0.06
49
0.014
1.90
0.11
7/27--8/11
907.02
906.34
0.68
352
0.023
1.90
1.30
8/11--8/16
906.36
906.16
0.20
125
0.019
1.90
0.37
8/17--8/17
906.16
906.14
0.02
13
0.015
1.90
0.03
8/18--8/21
906.23
906.13
0.11
71
0.018
1.90
0.20
8/21--8/23
906.13
906.07
0.06
45
0.017
1.90
0.12
8/23--8/24
906.07
906.03
0.03
27
0.015
1.90
0.06
8/24--8/28
906.05
905.91
0.13
87
0.018
1.90
0.25
8/28--8/28
905.91
905.90
0.00
6
0.010
1.90
0.01
8/29--8/29
905.93
905.91
0.02
11
0.017
1.90
0.03
8/30--8/30
906.21
906.19
0.01
10
0.016
1.90
0.02
8/30--8/31
906.19
906.16
0.03
21
0.017
1.90
0.06
9/2--9/3
906.44
906.40
0.04
22
0.022
1.90
0.08
9/3--9/9
906.42
906.18
0.24
150
0.020
1.90
0.46
9/10--9/15
906.18
906.00
0.18
108
0.020
1.90
0.34
9/15--9/17
906.00
905.92
0.08
47
0.019
1.90
0.14
Range of Evaporation
and Infiltration Rates
0.010
0.023
(in/hr)
Average Evaporation
and Infiltration Rate
0.017
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 19280-270
Monitoring Location # 2 (Glendalough)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/2--6/7
925.92
924.71
1.21
116
0.125
1.39
1.68
6/7--6/14
925.28
924.09
1.20
165
0.087
1.39
1.66
6/15--6/16
926.07
925.64
0.43
33
0.156
1.39
0.60
6/16--6/18
925.74
925.42
0.32
30
0.130
1.39
0.45
6/18--6/19
925.43
925.22
0.21
21
0.119
1.39
0.29
6/22--6/28
925.48
924.26
1.22
146
0.100
1.39
1.69
6/29--7/1
924.75
924.40
0.35
58
0.072
1.39
0.48
7/1--7/6
924.46
923.92
0.54
111
0.059
1.39
0.75
7/6--7/7
923.94
923.83
0.11
31
0.041
1.39
0.15
7/7--7/11
924.26
923.96
0.30
82
0.044
1.39
0.41
7/11--7/12
924.34
924.26
0.08
24
0.038
1.39
0.11
7/12--7/14
924.54
924.35
0.19
49
0.046
1.39
0.26
7/14--7/25
924.38
923.67
0.71
248
0.034
1.39
0.98
7/25--8/7
923.99
923.42
0.57
321
0.021
1.39
0.79
8/12--8/16
923.30
923.17
0.13
106
0.015
1.39
0.18
8/18--8/21
923.61
923.51
0.10
64
0.019
1.39
0.14
8/21--8/24
923.54
923.46
0.08
78
0.013
1.39
0.11
8/24--8/28
923.48
923.36
0.12
89
0.016
1.39
0.16
8/30--8/31
924.23
924.09
0.14
37
0.045
1.39
0.19
9/1--9/3
924.42
924.19
0.22
49
0.055
1.39
0.31
9/3--9/9
924.22
923.78
0.43
150
0.035
1.39
0.60
9/10--9/15
923.82
923.61
0.21
110
0.023
1.39
0.30
9/15--9/17
923.61
923.51
0.10
47
0.025
1.39
0.14
9/17--9/20
923.53
923.42
0.11
78
0.018
1.39
0.16
9/21--9/29
923.66
923.36
0.30
201
0.018
1.39
0.42
9/29--10/1
923.37
923.31
0.06
41
0.017
1.39
0.08
10/4--10/13
923.98
923.59
0.39
231
0.020
1.39
0.55
10/14--10/23
923.61
923.29
0.32
212
0.018
1.39
0.41::]
10/23--10/30
923.30
923.10
0.20
170
0.014
1.39
0.28
Range of Evaporation
and Infiltration Rates
0.013
0.156
(in/hr)
Average Evaporation
and Infiltration Rate
0.049
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 19280-270
Monitoring Location # 3 (Trailer Park)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/3--6/6
926.59
925.50
1.08
80
0.162
0.87
0.94
6/7--6/12
927.16
925.63
1.53
107
0.171
0.87
1.33
6/12--6/12
925.65
925.49
0.16
19
0.098
0.87
0.14
6/15--6/16
928.93
926.96
1.96
32
0.737
0.87
1.71
6/16--6/18
927.30
926.41
0.89
30
0.356
0.87
0.77
6/18--6/19
926.47
926.14
0.33
19
0.211
0.87
0.29
6/20--6/22
928.92
926.30
2.62
54
0.583
0.87
2.28
6/22--6/25
926.38
925.50
0.88
69
0.153
0.87
0.76
6/29--6/30
926.43
926.04
0.39
33
0.143
0.87
0.34
6/30--7/1
926.06
925.84
0.22
23
0.113
0.87
0.19
7/1--7/7
926.06
925.54
0.52
146
0.043
0.87
0.45
7/7--7/11
926.53
925.56
0.96
82
0.141
0.87
0.84
7/11--7/12
926.78
926.35
0.43
25
0.207
0.87
0.38
7/12--7/14
927.16
926.21
0.95
49
0.232
0.87
0.83
7/14--7/18
926.32
925.50
0.82
78
0.126
0.87
0.71
7/25--7/27
925.89
925.51
0.37
54
0.083
0.87
0.33
8/11--8/16
925.63
925.44
0.19
119
0.019
0.87
0.16
8/18--8/21
927.49
926.62
0.88
74
0.142
0.87
0.76
8/21--8/24
926.69
926.20
0.49
80
0.074
0.87
0.43
8/24--8/28
926.25
925.88
0.37
91
0.048
0.87
0.32
8/29--8/29
926.30
926.24
0.06
16
0.045
0.87
0.05
9/3--9/9
927.19
926.06
1.12
151
0.089
0.87
0.98
9/10--9/20
926.27
925.62
0.65
242
0.032
0.87
0.57
9/20--9/29
926.56
925.80
0.76
203
0.045
0.87
0.66
9/29--10/1
925.84
925.72
0.11
42
0.033
0.87
0.10
10/1--10/2
927.29
927.09
0.20
20
0.120
0.87
0.17
10/4--10/13
927.24
926.02
1.22
219
0.067
0.87
1.07
10/14--10/23
926.10
925.55
0.55
213
0.031
0.87
0.48
10/23--10/30
925.59
925.36
0.23
171
0.016
0.87
0.20
Range of Evaporation
and Infiltration Rates
0.016
0.737
(in/hr)
Average Evaporation
and Infiltration Rate
0.149
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 19280-270
Monitoring Location # 4 (Unnamed)
2014 Water Quality and Quantity Monitoring
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/3--6/7
Average Evaporation
929.57
928.13
1.44
88
0.197
0.55
0.80
6/8--6/12
929.48
928.19
1.29
94
0.165
0.55
0.72
6/12--6/14
928.21
927.80
0.41
57
0.086
0.55
0.23
6/15--6/16
930.87
929.78
1.08
35
0.372
0.55
0.60
6/16--6/18
929.96
929.39
0.57
28
0.244
0.55
0.32
6/18--6/19
929.40
929.08
0.31
19
0.197
0.55
0.17
6/20--6/22
930.86
929.40
1.46
55
0.319
0.55
0.81
6/22--6/23
929.47
929.30
0.17
32
0.065
0.55
0.10
6/29--6/30
929.97
929.76
0.21
32
0.080
0.55
0.12
6/30--7/1
929.79
929.74
0.05
22
0.028
0.55
0.03
7/1--7/6
929.82
929.55
0.27
108
0.030
0.55
0.15
7/6--7/7
929.60
929.49
0.11
32
0.040
0.55
0.06
7/7--7/11
930.21
929.63
0.58
81
0.086
0.55
0.32
7/11--7/12
930.12
929.83
0.29
23
0.152
0.55
0.16
7/12--7/14
930.31
929.89
0.42
48
0.105
0.55
0.23
7/14--7/25
929.96
929.42
0.54
249
0.026
0.55
0.30
7/25--8/11
929.93
928.13
1.80
409
0.053
0.55
1.00
8/12--8/16
928.19
927.95
0.24
105
0.027
0.55
0.13
8/18--8/21
929.15
928.64
0.51
75
0.082
0.55
0.28
8/21--8/24
928.72
928.46
0.26
79
0.039
0.55
0.14
8/24--8/29
928.49
928.23
0.26
100
0.032
0.55
0.15
8/29--8/29
928.45
928.41
0.04
15
0.031
0.55
0.02
8/30--8/31
929.71
929.12
0.58
42
0.167
0.55
0.32
9/1--9/3
929.73
929.15
0.59
51
0.138
0.55
0.33
9/3--9/10
929.21
928.47
0.73
159
0.055
0.55
0.41
9/10--9/20
928.61
928.08
0.52
242
0.026
0.55
0.29
9/20--9/24
928.58
928.36
0.22
78
0.034
0.55
0.12
9/24--9/29
928.35
928.08
0.27
119
0.027
0.55
0.15
9/29--10/1
928.10
928.01
0.09
42
0.026
0.55
0.05
10/1--10/2
928.92
928.82
0.10
21
0.055
0.55
0.05
10/3--10/4
929.17
929.01
0.16
24
0.078
0.55
0.09
10/4--10/13
929.12
928.36
0.76
232
0.040
0.55
0.42
10/14--10/23
928.42
927.97
0.45
215
0.025
0.55
0.25
10/23--10/30
927.98
927.69
0.29
172
0.020
0.55
0.16
Range of Evaporation
and Infiltration Rates
0.020
0.372
(in/hr)
Average Evaporation
and Infiltration Rate
0.093
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 19280-270
Monitoring Location # 5 (Regional)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/3--6/7
916.36
916.16
0.21
88
0.028
2.69
0.55
6/7--6/10
916.54
916.17
0.37
64
0.069
2.69
1.00
6/11--6/12
916.11
916.09
0.02
15
0.017
2.69
0.06
6/12--6/14
916.11
915.98
0.13
54
0.029
2.69
0.35
6/15--6/16
917.45
916.44
1.01
34
0.355
2.69
2.71
6/16--6/18
916.63
916.33
0.30
28
0.129
2.69
0.81
6/18--6/19
916.37
916.28
0.09
19
0.059
2.69
0.25
6/20--6/22
917.11
916.41
0.70
50
0.168
2.69
1.88
6/22--6/28
916.43
916.06
0.37
148
0.030
2.69
0.98
6/28--6/30
916.57
916.22
0.35
39
0.109
2.69
0.95
6/30--7/1
916.23
916.16
0.07
22
0.039
2.69
0.19
7/1--7/6
916.24
915.87
0.38
109
0.041
2.69
1.01
7/6--7/7
915.90
915.79
0.10
31
0.040
2.69
0.28
7/7--7/11
916.55
915.96
0.60
80
0.089
2.69
1.60
7/11--7/12
916.62
916.28
0.34
23
0.179
2.69
0.93
7/12--7/14
916.78
916.27
0.51
47
0.130
2.69
1.37
7/14--7/25
916.30
915.66
0.64
246
0.031
2.69
1.71
7/25--8/11
916.21
915.20
1.01
406
0.030
2.69
2.71
8/12--8/16
915.25
915.08
0.17
105
0.020
2.69
0.46
8/18--8/21
916.58
915.87
0.71
75
0.113
2.69
1.91
8/21--8/24
915.95
915.76
0.18
79
0.028
2.69
0.50
8/24--8/28
915.81
915.63
0.19
88
0.026
2.69
0.51
8/29--8/29
915.74
915.73
0.02
15
0.012
2.69
0.04
8/30--8/31
916.72
916.06
0.66
40
0.197
2.69
1.77
9/1--9/3
916.41
916.03
0.39
48
0.097
2.69
1.04
9/3--9/9
916.08
915.71
0.37
151
0.029
2.69
1.00
9/10--9/20
915.86
915.46
0.41
242
0.020
2.69
1.10
9/21--9/24
915.80
915.69
0.11
76
0.018
2.69
0.30
9/24--9/29
915.68
915.51
0.16
118
0.017
2.69
0.44
9/29--10/1
915.53
915.48
0.06
41
0.017
2.69
0.15
10/3--10/4
916.20
916.05
0.15
24
0.074
2.69
0.40
10/4--10/13
916.14
915.69
0.45
220
0.025
2.69
1.22
10/13--10/30
916.71
915.42
1.29
402
0.038
2.69
3.47
Range of Evaporation
and Infiltration Rates
0.012
0.355
(in/hr)
Average Evaporation
and Infiltration Rate
0.070
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 19280-270
Monitoring Location # 6 (Erickson)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/7--6/11
919.80
919.58
0.22
103
0.026
1.14
0.25
6/12--6/14
919.70
919.62
0.07
54
0.016
1.14
0.08
6/15--6/16
920.96
920.17
0.79
30
0.317
1.14
0.90
6/16--6/18
920.29
919.76
0.53
27
0.236
1.14
0.60
6/18--6/19
919.88
919.73
0.15
19
0.094
1.14
0.17
6/21--6/22
921.46
919.91
1.56
33
0.566
1.14
1.77
6/22--6/28
919.89
919.54
0.36
146
0.029
1.14
0.40
6/29--6/30
919.87
919.69
0.18
31
0.069
1.14
0.20
6/30--7/1
919.80
919.73
0.07
18
0.045
1.14
0.08
7/1--7/6
919.87
919.58
0.29
109
0.032
1.14
0.33
7/6--7/7
919.74
919.68
0.06
30
0.024
1.14
0.07
7/7--7/11
919.95
919.68
0.26
82
0.038
1.14
0.30
7/11--7/12
920.10
919.75
0.35
26
0.163
1.14
0.40
7/12--7/14
919.90
919.70
0.20
46
0.053
1.14
0.23
7/14--7/16
919.89
919.72
0.16
35
0.056
1.14
0.18
7/16--7/21
919.70
919.52
0.18
114
0.019
1.14
0.20
9/10--9/15
919.92
919.51
0.42
116
0.043
1.14
0.47
9/15--9/17
919.56
919.51
0.05
44
0.014
1.14
0.06
9/17--9/20
919.48
919.42
0.07
74
0.011
1.14
0.08
9/20--9/24
919.89
919.52
0.37
80
0.055
1.14
0.42
9/24--9/29
919.52
919.40
0.12
118
0.012
1.14
0.14
9/29--10/1
919.47
919.42
0.05
39
0.014
1.14
0.05
10/1--10/2
920.05
919.72
0.33
22
0.182
1.14
0.38
10/2--10/3
919.82
919.71
0.11
24
0.055
1.14
0.13
10/4--10/13
919.90
919.47
0.43
232
0.022
1.14
0.49
10/14--10/22
919.69
919.47
0.22
211
0.013
1.14
0.25
10/23--10/30
919.54
919.44
0.10
172
0.007
1.14
0.11
Range of Evaporation
and Infiltration Rates
0.007
0.566
(in/hr)
Average Evaporation
and Infiltration Rate
0.082
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 1928-270
Monitoring Location # 7 (Bloomfield)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/3--6/7
908.55
908.33
0.22
84
0.031
0.79
0.17
6/8--6/12
908.76
908.36
0.39
95
0.050
0.79
0.31
6/12--6/14
908.37
908.28
0.09
53
0.020
0.79
0.07
6/15--6/16
908.98
908.66
0.32
23
0.166
0.79
0.25
6/17--6/18
908.86
908.63
0.23
27
0.104
0.79
0.19
6/18--6/19
908.67
908.56
0.10
19
0.066
0.79
0.08
6/20--6/22
908.99
908.55
0.45
54
0.099
0.79
0.35
6/22--6/28
908.58
908.26
0.32
145
0.026
0.79
0.25
6/29--6/30
908.76
908.60
0.16
31
0.062
0.79
0.13
6/30--7/1
908.60
908.52
0.08
21
0.044
0.79
0.06
7/1--7/6
908.59
908.33
0.26
110
0.029
0.79
0.21
7/6--7/7
908.35
908.29
0.05
31
0.021
0.79
0.04
7/8--7/11
908.76
908.46
0.30
73
0.050
0.79
0.24
7/11--7/12
908.96
908.78
0.19
24
0.093
0.79
0.15
7/13--7/14
908.98
908.70
0.29
37
0.093
0.79
0.23
7/14--7/25
908.72
908.22
0.50
248
0.024
0.79
0.39
7/25--8/11
908.67
908.09
0.58
405
0.017
0.79
0.46
8/12--8/16
908.15
908.05
0.10
102
0.012
0.79
0.08
8/18--8/21
908.98
908.50
0.48
71
0.081
0.79
0.38
8/21--8/24
908.57
908.41
0.15
78
0.023
0.79
0.12
8/24--8/29
908.52
908.35
0.17
99
0.020
0.79
0.13
8/29--8/29
908.48
908.45
0.02
15
0.019
0.79
0.02
8/30--8/31
908.99
908.67
0.32
30
0.129
0.79
0.26
9/1--9/3
909.00
908.62
0.38
47
0.096
0.79
0.30
9/3--9/9
908.66
908.35
0.30
150
0.024
0.79
0.24
9/10--9/15
908.48
908.35
0.13
111
0.014
0.79
0.10
9/15--9/20
908.35
908.28
0.07
128
0.007
0.79
0.06
9/21--9/24
908.56
908.44
0.12
77
0.019
0.79
0.09
9/24--10/1
908.44
908.30
0.14
163
0.010
0.79
0.11
10/4--10/13
908.76
908.39
0.37
215
0.021
0.79
0.30
10/14--10/23
908.40
908.24
0.16
215
0.009
0.79
0.13
10/23--10/30
908.24
908.14
0.10
176
0.007
0.79
0.08
Range of Evaporation
and Infiltration Rates
0.007
0.166
(in/hr)
Average Evaporation
and Infiltration Rate
0.046
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 1928-270
Monitoring Location # 8 (O'Leary's)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/3--6/7
930.05
929.86
0.19
83
0.027
5.56
1.04
6/7--6/11
930.42
929.97
0.45
102
0.053
5.56
2.49
6/12--6/14
929.98
929.91
0.07
45
0.020
5.56
0.41
6/15--6/16
931.09
930.22
0.87
32
0.327
5.56
4.85
6/16--6/18
930.40
930.18
0.22
28
0.095
5.56
1.24
6/18--6/19
930.22
930.15
0.06
18
0.042
5.56
0.35
6/19--6/22
930.86
930.08
0.78
60
0.155
5.56
4.31
6/22--6/28
930.10
929.95
0.16
145
0.013
5.56
0.88
6/29--6/30
930.40
930.19
0.21
31
0.081
5.56
1.16
6/30--7/1
930.19
930.13
0.07
21
0.038
5.56
0.36
7/1--7/2
930.18
930.15
0.03
10
0.034
5.56
0.16
7/3--7/6
930.35
930.12
0.22
63
0.043
5.56
1.25
7/6--7/7
930.14
930.10
0.04
31
0.016
5.56
0.23
7/7--7/11
930.56
930.09
0.46
82
0.068
5.56
2.58
7/11--7/12
930.50
930.29
0.21
23
0.110
5.56
1.17
7/12--7/14
930.79
930.21
0.57
47
0.147
5.56
3.19
7/14--7/25
930.23
929.89
0.35
246
0.017
5.56
1.92
7/25--8/10
930.35
929.79
0.56
396
0.017
5.56
3.09
8/12--8/16
929.73
929.66
0.08
102
0.009
5.56
0.42
8/17--8/17
929.66
929.65
0.00
10
0.003
5.56
0.01
8/18--8/21
930.39
929.99
0.39
73
0.065
5.56
2.19
8/21--8/24
930.04
929.93
0.11
78
0.017
5.56
0.60
8/24--8/28
929.95
929.86
0.09
89
0.012
5.56
0.48
8/29--8/29
929.96
929.95
0.01
13
0.009
5.56
0.06
8/30--8/30
930.44
930.26
0.18
15
0.146
5.56
1.01
9/1--9/3
930.41
930.12
0.29
47
0.074
5.56
1.61
9/3--9/9
930.15
929.93
0.22
150
0.018
5.56
1.23
9/10--9/15
930.04
929.91
0.14
111
0.015
5.56
0.75
9/15--9/20
929.92
929.84
0.08
127
0.007
5.56
0.43
9/21--9/24
929.99
929.91
0.08
77
0.013
5.56
0.46
9/24--10/1
929.90
929.80
0.10
163
0.007
5.56
0.56
10/4--10/13
930.17
929.86
0.32
231
0.016
5.56
1.76
10/14--10/30
930.01
929.74
0.27
377
0.009
5.56
1.52
Range of Evaporation
and Infiltration Rates
0.003
0.327
(in/hr)
Average Evaporation
and Infiltration Rate
0.052
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 1928-270
Monitoring Location # 9 (Wachter)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/3--6/7
911.10
910.34
0.76
83
0.109
5.10
3.85
6/7--6/11
911.42
910.49
0.94
87
0.129
5.10
4.77
6/12--6/14
910.48
910.21
0.27
54
0.061
5.10
1.40
6/16--6/18
911.83
911.14
0.69
28
0.294
5.10
3.50
6/18--6/19
911.13
910.89
0.24
20
0.145
5.10
1.23
6/22--6/28
911.29
910.28
1.01
145
0.083
5.10
5.13
6/29--6/30
911.46
911.07
0.38
30
0.154
5.10
1.96
6/30--7/1
911.05
910.87
0.18
21
0.102
5.10
0.91
7/1--7/6
910.96
910.47
0.49
110
0.054
5.10
2.51
7/6--7/7
910.49
910.36
0.13
30
0.050
5.10
0.64
7/8--7/11
911.24
910.76
0.47
73
0.078
5.10
2.41
7/11--7/12
911.53
911.41
0.12
18
0.079
5.10
0.61
7/14--7/25
911.65
910.27
1.38
247
0.067
5.10
7.04
7/25--8/11
911.02
909.75
1.28
398
0.038
5.10
6.51
8/11--8/16
909.71
909.44
0.27
125
0.026
5.10
1.40
8/18--8/21
910.88
910.51
0.37
72
0.061
5.10
1.88
8/21--8/24
910.58
910.36
0.21
76
0.034
5.10
1.09
8/24--8/28
910.42
910.16
0.26
87
0.036
5.10
1.32
8/29--8/29
910.28
910.26
0.02
12
0.020
5.10
0.10
8/30--8/31
911.29
911.03
0.26
37
0.083
5.10
1.31
9/1--9/3
911.68
911.20
0.49
48
0.122
5.10
2.48
9/3--9/9
911.22
910.53
0.69
151
0.055
5.10
3.51
9/10--9/15
910.67
910.31
0.36
113
0.038
5.10
1.83
9/15--9/20
910.32
909.93
0.39
126
0.037
5.10
2.00
9/21--9/24
910.16
909.98
0.18
73
0.029
5.10
0.92
9/24--9/29
909.97
909.70
0.27
119
0.027
5.10
1.39
9/29--10/1
909.70
909.61
0.10
41
0.028
5.10
0.49
10/3--10/4
911.07
910.95
0.11
25
0.055
5.10
0.58
10/4--10/13
911.02
910.23
0.79
228
0.042
5.10
4.04
10/14--10/23
910.26
909.78
0.48
214
0.027
5.10
2.46
10/23--10/29
909.78
909.42
0.37
158
0.028
5.10
1.86
Range of Evaporation
and Infiltration Rates
0.020
0.294
(in/hr)
Average Evaporation
and Infiltration Rate
0.071
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.
Infiltration and Evaporation Rates for: WSB Project No. 1928-270
Monitoring Location # 10 (Shannon)
2014 Water Quality and Quantity Monitoring Study
City of Rosemount, MN
Period of no
Rainfall
Beginning
Elevation
(ft)
Ending
Elevation
(ft)
Change in
Elevation
(ft)
Duration
of Period
(hr)
Evaporation
&Infiltration
Rate*
(in/hr)
Pond Area
(ac)
Overall
Volume
Reduction
Within Period
(ac -ft)
6/7--6/14
910.61
908.13
2.48
162
0.184
3.17
7.87
6/16--6/16
910.86
910.76
0.10
15
0.082
3.17
0.32
6/16--6/18
910.94
910.62
0.33
28
0.140
3.17
1.04
6/18--6/18
910.64
910.58
0.06
12
0.061
3.17
0.19
6/20--6/22
911.54
910.86
0.68
52
0.156
3.17
2.15
6/27--6/28
911.36
911.02
0.34
17
0.238
3.17
1.07
6/29--7/1
911.31
910.01
1.30
55
0.283
3.17
4.11
7/1--7/6
910.00
908.87
1.13
110
0.123
3.17
3.58
7/6--7/7
908.89
908.72
0.17
31
0.066
3.17
0.54
7/8--7/11
909.32
909.00
0.32
79
0.048
3.17
1.00
7/11--7/12
909.70
909.65
0.05
21
0.028
3.17
0.15
7/13--7/14
910.56
910.17
0.39
37
0.127
3.17
1.24
7/14--7/25
910.18
908.77
1.41
248
0.068
3.17
4.46
7/25--8/11
909.31
908.17
1.13
405
0.034
3.17
3.60
8/18--8/21
908.86
908.45
0.42
71
0.071
3.17
1.32
8/21--8/24
908.50
908.34
0.16
78
0.025
3.17
0.51
8/24--8/28
908.43
908.24
0.18
88
0.025
3.17
0.57
8/30--8/30
909.03
908.98
0.05
13
0.043
3.17
0.15
8/30--8/31
908.98
908.90
0.08
22
0.042
3.17
0.24
9/1--9/3
909.34
909.07
0.26
49
0.065
3.17
0.84
9/3--9/9
909.08
908.63
0.45
150
0.036
3.17
1.43
9/10--9/15
908.75
908.48
0.27
112
0.029
3.17
0.86
9/15--9/17
908.48
908.37
0.11
52
0.025
3.17
0.35
9/17--9/20
908.39
908.26
0.13
70
0.023
3.17
0.42
9/20--9/24
908.49
908.33
0.16
78
0.025
3.17
0.52
9/24--9/30
908.32
908.11
0.21
142
0.018
3.17
0.67
10/1--10/2
908.81
908.74
0.07
20
0.045
3.17
0.24
10/2--10/3
908.96
908.86
0.11
25
0.051
3.17
0.33
10/4--10/13
908.90
908.41
0.50
230
0.026
3.17
1.57
10/14--10/22
908.45
908.16
0.29
199
0.017
3.17
0.91
10/25--10/30
909.14
908.79
0.35
125
0.033
3.17
1.10
Range of Evaporation
and Infiltration Rates
0.017
0.283
(in/hr)
Average Evaporation
and Infiltration Rate
0.072
(in/hr)
* Evaporation and Infiltration rates were selected from periods on no rain.