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Trapper Mining, Inc. WWTF Water Quality Assessment CO-0032115
<br />APPENDIX A
<br />WATER QUALITY ASSESSMENT
<br />JOHNSON GULCH, NO NAME GULCH, FAR EAST BUZZARD GULCH, COYOTE
<br />GULCH, UTE GULCH, MIDDLE PYEATT GULCH, EAST PYEATT GULCH, WEST
<br />PYEATT GULCH, DEER GULCH, GROUSE GULCH, SAGE GULCH, OAK GULCH,
<br />HORSE GULCH, WEST HORSE GULCH, WEST FLUME GULCH, MIDDLE FLUME
<br />GULCH, EAST MIDDLE FLUME GULCH, EAST FLUME GULCH, AND DEAL GULCH
<br />TY2APPERMINING, INC. WWTF
<br />Table A-1
<br />Assessment Summa
<br />Name of Facili Tra er Mining, Inc. WWTF
<br />CDPS number CO-0032115
<br />WBID -Stream Lower Colorado River Basin, Lower Yampa River/Green River Sub-
<br />Segment basin, Stream Segment 03b: Mainstem of Johnson Gulch, Pyeatt Gulch,
<br /> Ute Gulch, Castor Gulch, No Name Gulch, Flume Gulch, Buzzard Gulch,
<br /> Coyote Gulch, Deal Gulch, Horse Gulch, Elk Gulch, Ben Morgan Creek,
<br /> Boxelder Gulch, Collom Gulch, Hale Gulch and Jubb Creek, including all
<br /> tributaries from their sources to their mouths.
<br /> C~OLCLY03b
<br />Classifications Warm Water Aquatic Life Class 2, Class lb Potential Primary Contact
<br /> Recreation and A 'culture
<br />Designation Use Protected
<br />I. Introduction
<br />The water quality assessment (WQA) of Johnson Gulch, No Name Gulch, Far East Buzzazd Gulch,
<br />Coyote Gulch, Ute Gulch, Middle Pyeatt Gulch, East Pyeatt Gulch, West Pyeatt Gulch, Deer Gulch,
<br />Grouse Gulch, Sage Gulch, Oak Gulch, Horse Gulch, West Horse Gulch, West Flume Gulch, Middle
<br />Flume Gulch, East Middle Flume Gulch, East Flume Gulch, and Deal Gulch neaz the Trapper
<br />Mining, Inc. Wastewater Treatment Facility (WWTF) was developed for the Colorado Department
<br />of Public Health and Environment (CDPHE) Water Quality Control Division (WQCD). The WQA
<br />was prepazed to facilitate issuance ofthe Colorado Discharge Permit System (CDPS) permit for the
<br />Trapper Mining, Inc. WWTF, CDPS Permit No. CO-0032115, and is intended to determine the
<br />assimilative capacities available to the Trapper Mining, Inc. WWTF for pollutants found to be of
<br />concern.
<br />Figure A-1, on the following page, contains a map of the study azea evaluated as part of this WQA.
<br />Appendix A Page 1 of 8 Draft
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