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�, l�r. Tim ��icso� <br />July 31, 1997 <br />Page 2 <br />6. The foElowing corgYments aee generai and apply to ail proposed developr�enks: <br />a. Appropriate erosion control measwes should be practiced during the construction period. 'i'�e <br />Minnesota Construceion Site Erosion �nd Sediment Controi Plaa.t�ing Handbook (B��d of <br />Water & Sail Resources and Association oiIvietropolitan and Soil and Water Cons�gvatio�. <br />Districts} guidelines, or their equivalent, shouid be foilowed. <br />b. Iic�ns�uctien involves dewateaiAg in excess o� I0,000 gallons per day or 1 million galIon� per <br />�rear, � DNR �pgmgriations pet�nit is needed. F°or less iha� SO million gaIlons a year, approval <br />under a general permit will be pcocessed within f�ve days. If the dewatering will exc�d 50 <br />auliiot� gallons per year, the permit will take at lease 60 days to process. <br />c. If constructio� activities disturb five acr�s of land, or �ore, the contractor ffius� apply for � <br />stormwa.ter pem�t from the Minnesota Poilution Conirol Agency (Scoti Thompsor� @ b12/296- <br />7203). , <br />d. The comzneats in this Ietter address DNR - Division of Waters jurisdictional matters and <br />concems. These comments should oot 6e co�struecf as DNR suppoa� or lack t�ereof for a <br />particul�r prajec�. <br />Please contact me at 772-791 � s�ould you hav� qvestions. <br />S incerely, <br />�'-,�'�`�- `��,��-� <br />ioe Richter <br />Hydrologist <br />JRJcds <br />c: Rice Creeic Watershed I�istrici, Kate Drewry <br />U.S. Arnry Corps of �ngineers, Tim FeII <br />Raunsey Soil an� Water Coaservation D.istrici <br />DNR Centr�l Watcrs, Bnace Gerbig <br />