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, ,J \~/ ~ . Rosene . . AnderIIk~ ~&- Memo Project Name: NPDES Phase II MS4 Permit Client City of CenterviUe Rle No: 616-02-128 To: Kim Moore-Sykes From: Wesley Saunders-Pearce, Theresa Maahs Re: Self-Assessment Write-up Date: 2121/03 INTRODucnON Bonestroo was asked to facilitate an NPDES Phase II MS4 Permit meeting on Friday, January 17, 2003 for the city of CenterviUe. Representing CenterviUe were the City Administrator and the Public Works Director. The purpose of the meeting was to lead the city through a self-assessment process of their storm water system, issues and practices. The scope of the self-assessment was based on the steps and approach that is structured in the NPDES Phase II MS4 Guide Plan. DRAINAGE The majority of storm water from CenterviUe ultimately drains into Peltl the Mississippi River. Peltier Lake and CenterviUe Lake are two ma' partially within CenterviUe and outlet through the City of Uno Lakes Is fuUy within the Rice Creek Watershed District (RCWD). ich eventually outlets into which are contained the city of Centerville The storm water conveyance system of the city was built primaril County catch basins located In downtown Centerville were bulit continually mapped and updated as new development 0 knowledgeable of the locations of most system outfal the older sections of storm sewer, which run throug however the location of aU the drain tile has n jurisdictional ditches within 'lIe,' however, the city has pe e sewer system does owever some Anoka storm sewer system Is b 'c Works Is ot known, especially In rain tile within the city, oka County e co maintains these ditches, largements. The Centerville storm RECEMNG WATERS Receiving waters . partially within the b Peltier Lake, located stocked by the DNR most of the storm delta forming In the ds as well as the two large lakes that are CI Centerville Lake. the city, is a Minnesota DNR 4P protected lake. Peltier is g and recreational activities. This lake eventually receives of terville and the water quality Is moderate. Peltier Lake has a may require dredging at some point. ' Centerville Lake, 10 e west section of the city, also has moderate water quality. CenterviUe Lake supports regional re onal activity including swimming, boating and fishing. Anoka County maintains a swimming beach on e lake and the DNR stocks this lake annually. Sl Paul Water Utility owns a pumphouse located In the middle of Centerville Lake as well as 2 - 30" pipes, which run south from the lake. The pumphouse Is monitored daily although it is not currently operational.St. Paul Water Utility also owns most or all of the shoreline property around Centerville Lake. Bonestroo, Rosene, Anderllk and Associates, Inc. 2335 West Highway 36 + St. Paul, MN 55113 + Phone: 651-636-4600 + Fax: 651-636-1311