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<br />00l~85 <br /> <br />ROCKY <br /> <br />MOUNTAIN <br /> <br />CONSULTANTS <br /> <br />-INC' <br /> <br />June 18, 1980 <br /> <br />Mr. Leon A. Wurl <br />City Administrator <br />City of Louisvi lIe <br />712 Main Street <br />Louisville, Colorado 80027 <br /> <br />Dear Mr. Wurl: <br /> <br />At your request, 1 have reviewed the projected stream classifications promul9ated <br />by the Water Quality Control Division (CWQCO) of the State of Colorado and the <br />following information, some of which was taken, with their permission, from the <br />files of the CWQCD as fol lows: <br /> <br />Notice of Public Rule Making Hearing Before the Colorado Water Qual ity <br />Control Commission containing Stream Classifications and Water Quality <br />Standards. (Notice particularly page 10 of 23, item 6, the Main Stem <br />of Coal Creek including all tributaries, lakes and reservoirs from the <br />source to Highway 93 and page 11 of 23, item 7, Main Stem of Coal Creek <br />from Highway 93 to the Confluence of 80ulder Creek.) <br /> <br />Information from the U.S. Water and Power Resources Service in the area <br />proposed Coal Creek Dam and Reservoir and various locations alon9 Coal <br />Creek. (Note particularly fish data contained therein.) <br /> <br />Map and Levels of Un-Ionized Ammonia along Coal Creek from above the <br />Louisville Wastewater Treatment Plant to the Confluence with Boulder <br />Creek. This information also contains ammonia levels in the influent <br />and effluent at the Louisvi lIe Wastewater Plant and ammonia levels in <br />Boulder Creek. <br /> <br />Pages 10, II, 12 and 13 from the U.S. Environmental Protection Agency <br />book entitled "Quality Criteria for Water". <br /> <br />Summary of Rational, City of Louisvi I Ie Wastewater Treatment Plant, <br />Permit No. CO-0023078, Boulder County, as provided by the Colorado <br />Department of Health. <br /> <br />Water Quality Survey of 80ulder Creek, Oecember 1975, January and <br />February 1976. Report by Mark Wuerthele. <br /> <br />Evaluation of Sport Fisheries Potential in Fluctuating Plains Streams <br />by John P. Goettl, Jr., March 1980- <br /> <br />Longrnont Office: <br />64717lnAvenue <br />Longmont. Colorado 80501 <br />.03) 772-5282. (3031 6656283 IMetrol <br /> <br />Denver OffIce. <br />4260 East EV.Jm Avenue. SUite 7 <br />Denver. Colorado 80222 <br />13031 758.4532 <br /> <br />E~tes ParI< Ofhcc: <br />P. O. Sox 1649 <br />Estes Park, Colorado 80517 <br />13031 5862458 <br />