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Planning Commission Regular Meeting Minutes November 15, 1994 Page 21 1 by the Rice Creek Watershed District but has now been tabled because of a petition for an EAW 2 and the resolution of the issues involved there. 3 Commissioner Faust asked what portion of the run-off would be captured in those three ponds. 4 Mr. Palmer estimated that approximately 60% of the total site is captured in ponds. The portion 5 that is not captured in the ponds is the run-off of the roof and a portion of the parking lot which 6 goes directly into the storm sewer. 7 Mr. Cavanaugh clarified that approximately 79% of the parking lot was captured in the 3 8 drainage ponds. 9 Bill Zawislak, St. Anthony resident, asked where the water was going now. 10 Mr. Palmer explained that at the present time all the water runs down into the storm sewer on 11 Silver Lake Road which runs north and eventually discharges into the southeast corner of Silver 12 Lake. Then when the pressure in the storm sewer goes down, the water flows backwards and 13 goes down Silver Lane. With the proposed drainage plan, the water will still go there but it is 14 temporarily detained in the detention ponds, where the sediments are captured and there are provisions to skim off floating debris. These procedures will remove 40% of the phosphorous in 06 the run-off water that flows from the site. 17 Paul Haik, Attorney representing the Silver Lake Homeowners Association, stated that everyone 18 in the Association is very supportive of the project and would like to see it go forward. He stated 19 that the petition is filed with the Environmental Quality Board, a State agency that is specifically 20 responsible for supervising and coordinating projects that impact the environment. A petition 21 was filed with them, asking them to assess the impacts of this project. He explained that the 22 process is very quick. The Environmental Quality Board will designate either the City or the 23 Watershed District to decide if an assessment needs to be done. This decision has to be made 24. within 15 days. We are well into the 15 days and expect someone to be addressing that soon. 25 The only thing specifically asked for in the petition, is that a public meeting be held, so there is a 26 specific place where people can come and hear more concretely the issues that the Association 27 wants to be raised. He stated that they are requesting this because it is a long term issue that 28 won't be revisited for many years. 29 Commissioner Makowske asked if there was anything beyond an Environmental Assessment 30 Worksheet(EAW)which has been proposed in the petition. 31 Mr. Haik explained that there are two basic parts. The assessment is a seven page worksheet 32 with 40 to 50 standard questions. It is meant to give an idea of the impacts. He presented the Minnesota Pollution Control Agency, (MPCA), Best Management Practices on How to Handle Storm Water. What the Association is asking is "do the Watershed requirements implement 35 these standards?" It is the Association's viewpoint that the best management practices