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IF YES, IDENTIFY WATER BODY AND APPLICABLE STATE CLASSIFICATION(S), AND DESCRIBE <br />MEASURES TO PROTECT WATER AND RELATED LAND RESOURCES: <br />Elm Creek Watershed Flood Plain <br />Minnehaha Creek Watershed Flood Plain <br />Minimum elevation for the new roadway will be at least 3 feet above the 100 year <br />flood elevation at eacr location. Drainage culverts shall be large enough as to <br />not impede the natural flow of surface water under the roadway. <br />19. DESCRIBE ANY PHYSICAL ALTERATION (E.G., DIKES, EXCAVATION, FILL, STREAM DIVERSION) <br />OF ANY DRAINAGE SYSTEM, LAKE, STREAM, AND/OR WETLAND. DESCRIBE MEASURES TO <br />MINIMIZE IMPAIRMENT OF THE WATER -RELATED RESOURCES. ESTIMATE QUANTITY OF MATERIAL <br />TO BE DREDGED AND INDICATE WHERE SPOILS WILL BE DEPOSITED. <br />Approximately 600 C.Y. of material could be removed from Wetland No. 4r which is <br />approximately 2,300 feet southerly of Hamel Road. An additional 1,400 C.Y. of <br />material could be removed from Crosby Creek, a Type 2 wetland located approxi- <br />mately feet southerly of CSAH 24. An alternative which is under considera- <br />tion is the use of fal,ric in the roadbed. This would significantly reduce or <br />eliminate altogether the need to remove soils. <br />Drainage cul�,ctLt; will be used, when necessary, to continue the natural flow in <br />these areas. <br />Deposit of ary excess materials will be done in accordance with the Department of <br />Natural Resources and Army Corps of Engineers regulations. <br />20. a. WILL THE PROJECT REQUIRE AN APPROPRIATION OF GROUN: _.R SURFACE WATER? IF YES, <br />EXPLAIN (I!4ulCATE QUANT TY AND SOURCE): X _ NO _ YES <br />b. WILL THE PROJE�, AFFECT GRO )WATER LEVELS lv ANY WELLS (ON OR OFF THE SITE)? <br />IF YES, EXPLAIN: X NO YES <br />2: DESCRIBC ;A[ EROSION AND SEDIMENTATION CONTROL MEASURES TO BE USED DURING AND <br />AFTER CONSTRUCTI�14 Or THE PROJECT. <br />Silt fe.i,;es r-id st,ae bale check dams will be used to control erosion during <br />construction. Eodding and :seeding on bare soils will be accomplished as soon as <br />practical fo11oM'r+u _anstrui_ion. Ditch slopes shall be shaped and rounded to <br />minimize erosion. <br />22. a. WILL THE PROJECT GENERATE: <br />1. <br />SURFACE AND STORM WATER RUNOFF? <br />NO <br />X_ YES <br />2. <br />SANITARY WASTEWATER? <br />_ X NO <br />YES <br />3. <br />INDUSTRIAL WASTEWATER? <br />NO <br />_ _ YES <br />4. <br />COOLING WATER (CONTACT AND NONCONTAC )? <br />X NO <br />_ YES <br />IF YES, IDENTIFY SOURCES, VOLUMES, QUALITY (IF OTHER THAN NORMAL DOMESTIC SEWAGE, <br />AND TREATMENT METHODS. GIVE THE BASIS OR METHODOLOGY OF ESTIMATES. <br />Storm water runoff will increase a� a result of the increase in impervious roadway <br />surface <br />-4- <br />