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To: Katie Larsen, City Planner <br />From: Tom Hoffman, Environmental Coordinator <br />Date: November 26, 2024 <br />Re: Environmental Comments – Peltier Ponds <br />Environmental Board had recommended the following at their November 26, 2024 meeting: <br />1.The buffer for wetland 10 appears to connect to the rear property line of lots 8 &9 <br />block 12. Where possible ensure buffers are met and expanded prior to private <br />property to limit future encroachment from adjacent property owners. <br />a.Provide increased buffer widths around wetland where the trail is going past <br />these locations. Buffers should be extended throughout the park land to <br />provide pretreat of runoff before discharging to the wetlands. <br />b.Show buffers in between the trail and existing channel shown on the <br />proposed plans. <br />c.All wetlands should be included in conservation easements. <br />d.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 />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 />a.A SWPPP shall be required in additional submittals as required by the MPCA <br />meeting sections 5.2-5.26 <br />b.Final erosion and sediment control will be reviewed with future submittals <br />c.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 />3.Rice Creek Watershed District shows Anoka County Ditch 72 branch 1 running <br />through the site. Verify the location and use of the ditch with the watershed. Ditch <br />Environmental Memo <br />Attachment 7: Environmental memo dated November 26, 2024