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TRBPPER MININPr IpC. <br />~tCEIVEG <br />November 4, 1996 <br />IOU ~ 2 i <br />Mr. Jon Kubic <br />Environmental Protection Specialist <br />Permits and Enforcemen[ Section <br />Water Quality Control Division <br />WQCD-PE-B2 <br />4300 Cherry Creek Dr. South <br />Denver, CO 80222-1530 <br />Deaz Jon: <br />DIWSIOn of Mmtilul;, a uwwy~ <br />Subject: CDPS Perrmt No. CO.0032115,. Relocatign oP Pazshall 1!7ume to NPDES Site 017 t+nd Spring <br />Re-establtsfin~ent'sbNpDES Site 011. <br />During the final stages of construction of the sediment conttol ponds in dte Oak Gulch drainage, the parshall <br />flume for NPDES Site 017 was relocated downstream of the planned location. The flume is now located at ilte <br />lower end of the spillway, 400 feet notth of the planned location. Figure 4, 3 of 3, has been updated to reflect <br />this change, plus the location of sediment pond #1 has been added. <br />The spring that was located below the northernmost pond in the East Pyeatt drainage bu[ above the parshall <br />flume for NPDES Site 011 has re-established flows. This is the same situation that is encountered at Site 005. <br />There is a discharge through the flow measuring device, but not from the sediment control system. ton, we <br />feel the Special Conditions, as has been applied to Outfall 005 should also be applied to 011 [Permit Section <br />Also Jon, we would again like to request removal of the special conditions that are being applied to NPDES <br />outfall 005. This is anaturally-occurring spring that has been monitored since 1980. We feel sufficient <br />information has been gathered and reported to support this conclusion. Please feel free to visit our site to look <br />at the outfall. <br />Please contact me if you have any questions concerning this request. <br />Sincerely, ~///A~'//~/j/~ <br />'~Gu`G/ G'~U <br />Forrest V. Luke <br />Environmental Manager <br />t.wWpe <br />~CDON~96NOV0/~ <br />F~ <br />c 1.M. Mweq 71rypv <br />1. OuEUE, CDMO <br />Flee 1092.'!3 <br />P.O. Box 187 Craig, Colorado 81626 (303) 824-4401 <br />