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Item No. 7B Staff Report No. Meeting Date: April 9, 2001 Type of Business: C.B. WK: Work Session; PH: Public Hearing; CA: Consent Agenda; CB: Council Business City of Mounds View Staff Report To: Honorable Mayor and City Council From: Michael Ulrich, Director of Public Works Item Title/Subject: Greenfield Park Ponding Proposal Date of Report: August 29, 2018 Representatives from Rice Creek Watershed District have presented the City Council with two concept plans for a proposed water quality / detention pond for an area in Greenfield Park. Informational meetings have been held with the residents of the surrounding area to explain the need for this pond and to try and develop a plan that is palatable for all parties. The District has made some concessions by reducing the size of the pond, which would lessen the amount of forested area that would be removed. The District has offered to plant new trees in selected areas in an attempt to reforest the area and screen the view of the pond for some property owners. MnDot has indicated that they would be receptive to utilizing the spoils from the proposed excavation to provide for some type of earthen sound deflector. Currently this location is ranked 183rd in priority in the updated Noise Priority Study. MnDot currently averages approximately 3 noise abatement projects per year. Staff has been directed by Council to provide the advantages and disadvantages of this proposal for Council’s review. The Rice Creek Watershed District is seeking direction from the City of Mounds View, either approving this project and proceeding or denying its construction. *Disadvantages: 1. The pond will alter the current nature of the park, creating an open water body in what now is a combination of areas of woods, low lands, some high lands and pockets of wetland. 2. The addition of an open water body could provide a new habitat for waterfowl, which some property owners might not consider desirable. 3. The addition of an open body of water would be located near a residential area, which some may see as a hazard to younger residents. 4. Although noise pollution monitoring has not taken place in this area, some residents are concerned about potentially increased noise pollution. 5. During the construction of the pond, some wildlife may be displaced. *Advantages: 1. The pond will decrease the amount of bank erosion in lower levels of Rice Creek by an estimated 30%. 2. The pond will provide water quality measures for water entering Rice Creek, currently not available.