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701 Xenia Avenue South | Suite 300 | Minneapolis, MN 55416 | (763) 541-4800 <br /> <br />Building a legacy – your legacy. <br />Equal Opportunity Employer | wsbeng.com <br />C:\Users\jabramson\FROM KP\Joey's Projects Transfer\St Anthony Village\SAV - The Village LLC Stormwater Management Review Memo - 02-16-2018.docx <br /> <br /> <br />Memorandum <br /> <br />To: Breanne Rothstein <br /> <br />From: Joey Abramson <br /> <br />Cc: Todd Hubmer <br /> <br />Date: February 16, 2018 <br /> <br />Re: The Village LLC Development Stormwater Management Review <br /> <br /> <br />WSB has reviewed the stormwater management memorandum produced by Wenck for the above project <br />dated January 26, 2018. <br /> <br />The review has found that the project complies with applicable freeboard and rate control stormwater <br />management regulations. The applicant needs to provide updated information related to water quality <br />treatment. See comments below. <br /> <br />Comments on the stormwater management plan include the following: <br /> <br />- Ponds should be labeled on the plans to correspond to the IDs in the report and models: North <br />Pond should include “1P” and South Pond should include “2P” <br />- The EOF for Pond 2P (south) is noted to be “18.90” on the plans, but is noted as 919.0 in the <br />stormwater management report. <br />- The report notes that the proposed development will achieve 65% TP loading reduction (page 1) <br />but the table indicates that 72% removals will be achieved. Revise for consistency. <br />- It should be considered that unless the BayFilter is capable of removing dissolved phosphorus <br />from stormwater, its efficacy will likely be reduced from 50% removal if it is downstream of the <br />sedimentation ponds. This is because those ponds already remove a large portion of the <br />particulate phosphorus. Applicant must provide clarification on the BayFilter removal abilities or <br />provide updated calculations for removals. <br /> <br />