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HomeMy WebLinkAbout8.b. Birger Pond Study Update CITY OF ROSEMOUNT � EXECUTIVE SUMMARY FOR ACTION CITY COUNCIL MEETING DATE: Juiy 19, 1994 AGENDA ITEM: Birger Pond Study Update AGENDA SECTION; New Business PREPARED BY: Bud Osmundson AGENDA NOjT[�A � �_ City Engineer/Public Works Director � L�y� ATTACHMENTS: Map APPROVED BY: This item is on the agenda to update the Council on concerns and necessary actions which have been undertaken regarding Birger Pond. Birger Pond is a DNR protected water body located immediately north of 135th Street and east of Diamond Path. The pond is partially within the City of Apple Valley with the majority of it being within the City of Rosemount. The majority of the property under and around the pond is owned by the Kelly Trust with a 12 acre portion on the south owned by the City of Rosemount. Birger Pond is the dead-end outlet for storm water drainage from a large area within the City of Rosemount. It includes most of the Country Hills Addition, the LeForet Addition and the Birchview Terrace Addition. In addition a small portion of Apple Valley also drains into Birger Pond. The initial major concern, not only pursued by Staff, but by area residents, is that a well is on the old Birger farm site which is very close to being under water. To our knowledge it is not. This concern was brought about by the above average rainfali the entire region experienced in 1993. In 1994 the water level has actually dropped since the fall of 1993, the reason being that we have been experiencing a more average rainfall this year. The well will be abandoned in the very near future and paid for out of the City Storm Water Utility or Core Fund. The permanent or long range issues which need to be addressed include both an easement acquisition for the ponding area and an outlet needed to stabilize the water level in the pond. We have discussed the easement situation for at least two years with the Kelly Trust. Mr. Tim Dwyer who represents the Kelly Trust has been approached about the easement acquisition many times but has been willing to allow us to continue ponding storm water in the area without an easement until development occurs. At that time the City could acquire the easement through the platting process. A permanent solution to stabiiize the water ievel has been discussed for a number of years. We have commissioned OSM Engineering to complete a study of the many alternatives we have discussed. At the August 2nd meeting that study will be formally presented to Council. A feasibility report to address the recommended alternative will be requested to be ordered at that time. Staff will give an overview of the situation and discuss the alternatives with Council. 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