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it Burnett County Land and Water Conservation Department <br /> 7410 County Road K, #469 <br /> Siren, W1 54872 <br /> Telephone #(715) 349-2186 <br /> Fax#(715) 349-2102 <br /> August 31, 2000 <br /> Mr. Dahlstrom <br /> 6339 County Road C <br /> Siren, WI 54872 <br /> �SEp 'S <br /> RE: Gully Erosion BURN <br /> E7-r CO <br /> Dear Mr. Dahlstrom. ZO1V/NG UNTy <br /> A site visit was conducted on the 22nd of August. At that time we had the opportunity to <br /> see the severity of the erosion occurring on your lakeshore. There are several things <br /> that must be completed to fix the problems. The following is a list of things to do to <br /> minimize future erosion problems and fix the gully erosion that has recently occurred: <br /> (A permit must be obtained from the Burnett County Zoning Department <br /> before beginning any part of this list, with the exception of number 2 <br /> below.) <br /> 1. The soil that washed into Johnson Lake must be removed. The area <br /> affected is approximately 63' x 24'. The sediment is approximately 0.5' <br /> deep. Therefore approximately 28 cubic yards of soil must be removed <br /> from the lake. A backhoe must be used to remove the soil. Use the <br /> undisturbed shoreline as a guide. Before the removal begins silt fence <br /> must be staked into the lake around the sedimented area. The silt fence <br /> should start on the undisturbed lakeshore, go into the lake around the <br /> sedimented area and then back onto undisturbed shoreline. The silt <br /> fence must remain in the lake for 72 hours after the last of the sediment <br /> has been removed from the lake. See the Plan View drawing (page 1) for <br /> the exact location of silt fence. Also, see silt fence installation diagram for <br /> specific installation information. (The Wisconsin Department of Natural <br /> Resources (Ed Slaminski) was notified and will allow the work to be done <br /> without permitting through them as long as it is completed as described <br /> above.) <br /> 2. Install infiltration trenches to catch the roof runoff from the pole building. <br /> See the Infiltration Trench (page2) and the plan view drawing for details. <br /> 3. Install the infiltration trench with berm to catch runoff from upland areas <br /> that turns into to channelized flow as it runs across part of the driveway. <br /> The infiltration trench with berm will catch the channelized flow after it <br /> leaves the driveway. See the Infiltration Trench with Berm (page 3) and <br /> the plan view drawing for details. <br /> 4. Construct a stilling basin to dissipate the energy of the water coming out <br /> of the 10" pipe. See the Stilling Basin (page 4) and the plan view drawings <br /> for details. <br />