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DANE COUNTY <br /> LAND CONSERVATION DEPARTMENT <br /> LYMAN F.ANDERSON AGRICULTURE&CONSERVATION CENTER <br /> 1 Fen Oak Ct.,Rm.208,Madison,Wisconsin 53718-8812 <br /> PH:608/224-3730•FAX: 608/224-3745 <br /> www.co.dane.wi.us/landconservation/ <br /> DATE: September 8, 2004 <br /> TO: Pete Conrad <br /> Zoning Administrator <br /> FROM: Aicardo Roa, Ph.D. <br /> Urban Conservationist <br /> RE: Yahara Materials, Halfway Prairie Pit#74-68,Town of Mazomanie <br /> The submitted erosion control and storm water management plan meets the needs of the site. <br /> The site consists of approximately 60 acres that will be used for limestone products, such as <br /> gravel, and other form of mineral extraction. The proposed future land use is agriculture (pasture, <br /> row-crops) after the minerals are extracted. Presently,the runoff goes to the south and is <br /> internally drained. All runoff from the 60 acres of the gravel pit will be directed to the existing <br /> low areas and is internally drained. <br /> The following conditions must be implemented: <br /> 1. The sediment pond must be expanded and updated according to the needs of the site. The <br /> site is internally drained and will remain internally drained. <br /> 2. The entire berm area and slopes are vegetated according to the reclamation plan of the <br /> quarry in the plan. <br /> 3. The existing internally drained system meets the needs of the site. The detention basin <br /> shall be enlarged, as needed. <br /> 4. Currently,the site is fenced. <br /> 5. The reclamation plan and final slopes are presented on map of the last page of the plan. <br /> 6. The stockpiles and soil berms around the perimeter of the quarry will be graded as <br /> presented in the plan. The bottom of the quarry will be topsoiled 9 to 12 inches and the <br /> slopes topsoiled 6 to 9 inches and graded. <br /> 7. The slopes outside of the lake area will be graded 3:1. <br /> 8. The clear stone weepers and erosion control and drainage structures will be used as <br /> needed to accomplish the final drainage pattern. <br /> 9. The entire berms at the east of the property shall be restored and slope according to the <br /> reclamation plan of the quarry in the plan. <br /> rir <br />