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March 5, 2021 Mark Statz Page 2 of 5 Reference: MPCA MS4 Permit – Application and SWPP Update – Proposal for Engineering Services 1.Phase 1 -MS4 Permit Application Submittal (Steps 1-5) a. This scope of services focuses on Phase 1 2. Phase 2 - Implementation of new requirements (Step 6) a. Phase 2 is not part of this scope of services. Stantec will provide a scope and cost for Phase 2 once the MPCA is approved the City’s permit application. 1. Phase 1 Scope of Services: MS4 Permit Application Submittal This scope of services is for assistance to the City to update your SWPPP Document and implement items to remain in compliance based on the MS4 General Permit reissued November 16, 2020. The tasks below are based on the following assumptions: The approved MS4 SWPPP Application for Reauthorization for the reissued General Permit st dated August 1, 2013 was completed, implemented, and complies with the current permit cycle. All meetings will be held virtually. Each detailed task description outlines the scope, necessary actions of the City, and the Stantec deliverables. Task 1: Permit Application / SWPPP The SWPPP document is the foundation of the City’s MS4 Program. The MPCA has created the permit application such that it will also be the SWPPP document. Stantec will review the City’s current SWPPP and recent annual reports to complete the permit application and identify new requirements that will need to be updated and added to the City’s MS4 program to remain in compliance. A draft MS4 Permit application will be provided to the City for review and comment. A final copy of the MS4 Permit application will be provided to the City prior to submitting to the MPCA. Assist the city in responding to any comments it may receive from the MPCA or through the public comment period. City Responsibilities: Provide copies of the city’s annual MS4 reports to Stantec, Attend one meeting to discuss the new permit requirements; review and provide comments on the MS4 Permit application; sign and submit permit application. Stantec Deliverable(s): Draft and final versions of the MS4 Permit application. Task 2: TMDL Application Based on currently available data on the MPCA website, the City has one TMDL waste load allocations (WLA) that it must comply with (see below). This is a Categorical WLA, which means that the City does not have a specific assigned WLA that it needs to meet, but compliance is spread out over multiple entities and is tabulated by a single entity (typically a watershed district). Stantec will coordinate with Rice Creek Watershed District (RCWD) and evaluate the City’s WLA responsibility for this TMDL.