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iii iiiiiiiiiiiii iii <br />Annual Hydrology Report <br />Information Fact Sheet <br />Mine Name Colowyo Coal Mine <br />Reference Map(s) Map 32 (Groundwater), Map 11 (North Mine Hydrology) <br /> & Map 12 (South Mine Hydrology) <br />Hydrology Monitoring 1. Monthly Flow and quality analysis for Goodspring <br />Requirements (Surface Creek and Taylor Creek <br />Water and Ground 2. Quarterly Stream Flow and Quality Analysis <br />water) 3. Pond Discharge Flow and Quality Analysis <br /> 4. Quarterly Groundwater level and analysis in upgradient <br /> and downgradient to the mine site <br />Locations of Monitoring Surface Water- Goodspring Creek and Taylor Creek <br /> Ground Water- Gossard Well (monitor loadout facility), <br /> North Goodspring Well (monitor downgradient of mine), <br /> and A-6 Well (monitor upgradient of mine) <br />Frequency of Surface water- Monthly Flow and quality analysis for <br />Monitoring Goodsprings Creek and Taylor Creek; Quarterly Stream <br /> Flow and Quality Analysis <br /> Ground Water- Quarterly level and analysis <br />Parameters Monitored See pages 4.05-11 through 4.05-15 in permit <br />NPDES Location & COG-850017; OOlA- Streeter Gulch to Goodsprings Creek; <br />Name 002A- Warehouse Pond to Taylor Creek; 003A- Loadout <br /> Pond to Wilson Creek; 004A- Gulch A Pond to <br /> Goodsprings Creek; OOSA- Stoker Loadout to Taylor <br /> Creek; 006A- Loadout Loop Pond to Wilson Creek; 007A- <br /> Prospect Pond to Goodsprings Creek; 008A- West Pit <br /> Pond to Taylor Creek; 009A- Section 16 Pond to <br /> Goodsprings Creek; OlOA- East Taylor Pond to Taylor <br /> Creek <br />List of Effluent Limits See NPDES Permit <br />Summary of PHC The PHC starts on page 2.04.7-85. The PHC states that <br />Which Relates to the off site impacts will be extremely limited. There will be <br />Monitoring Plan no significant impacts to the hydrologic balance, thus, no <br /> measurable changes to quality and quantity to the Yampa <br /> River. The primary concerns for water quality are TSS, <br /> TDS and specific conductivity. <br />