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, ,, Water Resource Engineering Division <br /> Dane County Land&Water Resources Department <br /> A 1839: <br /> ? 5 ; Jeremy D.Balousek,P.E.,Division Manager <br /> May 12, 2016 <br /> Karl Dettmann <br /> 436 Matterhorn Dr <br /> Verona,WI 53593 <br /> Dettmann Property Driveway-Stormwater Management Permit SM2015-0440 <br /> Karl Dettmann: <br /> The stormwater management plan meets the requirements of Dane County's stormwater management <br /> ordinance. The development is subject to the following permit requirements: <br /> 1. The maintenance agreement for permanent stormwater management practices must be <br /> recorded with the Register of Deeds and a financial security document for 110%of the expected <br /> cost of erosion control and stormwater management ($20,350) must be submitted prior to <br /> permit issuance. <br /> 2. All components of the stormwater management system must be constructed in accordance with <br /> the approved plans and applicable WI DNR and Dane County standards. <br /> 3. Upon completion of construction, as-built certification, bearing the seal of a professional <br /> engineer licensed in the State of Wisconsin, must be submitted for approval. <br /> 4. Stormwater management facilities must be maintained in accordance with the approved plan <br /> and stormwater management system maintenance agreement. <br /> Stormwater Management Standards and Proposed Practices <br /> Performance Standard Proposed Practices and Performance Achieved <br /> Sediment Control A bioretention basin is designed to reduce by 80%the average annual <br /> 80%Reduction total suspended solids load. <br /> Oil and Grease Control Not applicable. <br /> Treat first half-inch <br /> Lyman F.Anderson Agriculture&Conservation Center <br /> 5201 Fen Oak Drive,Room 208,Madison,Wisconsin 53718-PH:608.224.3730,FAX:608.224.3745 <br /> www.lwrd.countyof dane.com/cared <br />