07-06-2021 Council Work Session Packet

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WS – Item # 1 WORK SESSION STAFF REPORT Work Session Item No. 1 Date: July 6, 2021 To: City Council From: Michael Grochala Re: MS4 Annual Report Background The Municipal Separate Storm Sewer System (MS4) general permit is mandated by federal regulations under the Clean Water Act and administered by the Minnesota Pollution Control Agency. The permit allows for owners of storm sewer systems to discharge stormwater into lakes, rivers, and wetlands provided certain regulatory requirements are met. The City of Lino Lakes has been operating the storm sewer systems under the MS4 permit since 2006. The City’s system includes approximately 288 storm ponds, 49.86 miles of storm sewer, and 128 outfalls into public waters. The permit requirements include the preparation of an annual Storm Water Pollution Prevention Program (SWPPP) report. The City’s SWPPP report for 2020 activity is comprised of 6 components, referred to as Minimum Control Measures (MCM’s) that provide for implementation of the permit requirements: 1. Public education and outreach, which includes teaching citizens about better stormwater management 2. Public participation: Include citizens in solving stormwater pollution problems. This includes a required public annual meeting and an annual report. 3. A plan to detect and eliminate illicit discharges to the stormwater system (like chemical dumping and wastewater connections) 4. Construction-site runoff controls 5. Post-construction runoff controls 6. Pollution prevention and municipal “good housekeeping” measures, like covering salt piles and street-sweeping Staff will provide an overview of the activities completed in 2020 at the meeting. Requested Council Direction None required, information only.