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Environmental Memo <br />To: Katie Larsen, City Planner <br />From: Tom Hoffman, Environmental Coordinator <br />Date: December 3, 2025 <br />Re: Environmental Comments – Peltier Ponds <br />Environmental Board had recommended the following at their June 25, 2025 meeting: <br /> <br /> <br />1.Provide increased buffer widths around wetland where the trail is going past these <br />locations. Buffers should be extended throughout the park land to provide <br />pretreat of runoff before discharging to the wetlands. <br />a. Show buffers in between the trail and existing channel shown on the <br />proposed plans. <br />b. All wetlands should be included in conservation easements. <br />i. Will be completed with final plat <br />c. This area is included in the RCWD wetland corridor plan. With future <br />submittals impacts and mitigation of wetlands will be required. <br />i. Wetlands falling within the wetland corridor will require 50’ buffers <br /> <br />2. The project will disturb more than an acre of soil and will be required to obtain an <br />NPDES permit. Proof of permit shall be required before construction. <br /> <br />a. A SWPPP shall be required in additional submittals as required by the <br />MPCA meeting sections 5.2-5.26 <br />b. Final erosion and sediment control will be reviewed with future submittals <br />c. Plans show rock construction entrance in the legend. Does not appear to <br />be shown on the plan sheet. Call out the location on the plans. <br />d. Redundant perimeter control will be required around all wetlands onsite <br />where a 50’ natural buffer cannot be maintained during construction. <br />Redundant perimeter control should be spaced 3-5’ apart. <br />i. Symbols blend into the proposed “wet ditch” seed mix on sheet <br />C3.1. Confirm redundant perimeter is being provided <br /> <br />