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revised grading schedule (TR-80). The final and most important piece of these <br />measures is a long-term plan for addressing the drainage in the Prospect <br />watershed. This plan should include details regarding stock tanks, contour <br />ditches, surface roughening and other measures that will be implemented as <br />permanent to reduce the peak flow and volume of runoff to the Prospect Pond. <br />This revision will also include SEDCAD runs for the Prospect Pond that will <br />represent the final reclaimed condition of the drainage. Please provide the <br />Division with Colowyo's timeline for submitting this revision. Since this revision <br />will need to be approved prior to the 2010 field season, the Division requests that <br />Colowyo submit it no later than 31 December 2009. This should give ample time <br />to work through any adequacy concerns. <br />This completes the second adequacy review of Technical Revision 78. The proposed <br />decision date for this revision is 20 August 2009. Please request a 30-day extension of <br />this decision date (to 18 September 2009). Colowyo's prompt response to the above <br />questions and comments will help ensure that this new decision date is met. Please call <br />me at (303) 866-3456 X8145 if you have any questions. <br />Sincerely, <br />James R. Stark <br />Environmental Protection Specialist <br />cc: Sandy Brown