2021-04-14 CC Packet - Laserfiche WebLink

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Stantec Consulting Services Inc. 733 Marquette Avenue Suite 1000, Minneapolis MN 55402-2309 March 5, 2021 File: 193885141 Attention: Mark Statz City Administrator/Engineer City of Centerville 1880 Main St. Centerville, MN 55038 Dear Mark, Reference: MPCA MS4 Permit – Application and SWPP Update – Proposal for Engineering Services The City of Centerville is a Municipal Separate Storm Sewer System (MS4) as determined by the Minnesota Pollution Control Agency (MPCA) and covered under the Phase II MS4 General Permit. This stth permit coverage has been in effect since August 1, 2013. On November 16 of this year, the MPCA reissued the MS4 General Permit. The City of Centerville is preparing to update your Storm Water Pollution Prevention Program (SWPPP) to remain in compliance with the new MS4 General Permit. The purpose of this letter is to provide Centerville with a scope and cost for Stantec to assist the City with completing the SWPPP update to remain in compliance with the new MS4 General Permit. After reviewing the new General Permit and TMDL information, Stantec has identified other requirements that the City will need to complete prior to submitting their MS4 Permit application documents. The City’s application will need to include: MS4 Part II permit application/SWPPP TMDL Application For background, the following is an approximate process or steps to remain in compliance with the General Permit: 1. City will complete the permit application, including a TMDL application and submit to the MPCA by th April 15, 2021 2. The MPCA will review and make a preliminary determination if they view the application as complete. 3. Once the City’s application is determined to be complete by the MPCA, the City’s application documentation will go to a 30-day public comment period. 4. Following the comment period, the MPCA will review any comments and work with the City to resolve these comments. 5. The MPCA will then make a final determination and issue a letter of coverage under the General Permit to the City. The date of the letter is considered the date of permit coverage. 6. The City will have 12 months from the date of permit coverage to implement the new permit requirements. The six steps above can be grouped into two major categories or phases: