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LRRWMO Meeting Minutes November 28, 1990 Page 5 by that time, the LRRWMO will still begin implementing the established guidelines. However, the cities should start working on their local plans, if they have not already done SO. 0311) Wk ff@N 3. Anoka Ice Arena Corporat Weaver presented proposed plans for an extension of the current ice area facility located along Seventh Avenue North, Anoka, by the Anoka Ice Arena Corporation. When the site plan was brought before the Anoka City Council for considera- tion, Weaver expressed concern with the projects proposed drainage plan, and asked that the LRRWMO review it to ensure adequate filtration measures were being taken. Under the normal permitting procedure guidelines, this project would fall under city review in that it is less than five acres in size. Schultz presented the projects site plan and reviewed the proposed parking and drainage plan details. He indicated the runoff will flow to an existing Seventh Avenue storm sewer and will enter into an existing holding pond prior to reach- ing the Rum River. Schultz stated he will be providing the LRRWMO a written report of this project indicating it meets the city's criteria. Weaver and Schultz noted the city is allowing the Ice Arena Corporation to delay the final surfacing of the parking lot for two to three years. Raatikka noted it is then especially important there be adequate ponding because without immediate asphalt surfacing, there will be a lot of sediment runoff. Schultz reported the holding pond is the City of Anoka's backwash pond. With that information Skallman queried whether that pond is appropriate for this project's use. Schultz indicated the city has so far never had water flow into the pipe when they backwash. There is an outlet for the pond. Upon further discussion, members and Skallman determined the proposal looks to be workable and adequate. Skallman indicated the city will have to clean out the pond more often with the Ice Arena's sediment added. Raatikka directed this project be sent back to the City of Anoka telling them to follow through as proposed and indicate the Lower Rum River WMO wishes to make the change on the drainage plan, indicating the storm water runoff from the proposed parking lot should be run into the city's backwash pond. It will be the local communities' responsibility to indicate the projects will meet WMO criteria. Projects over