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Central Appalachia WWTF Water Quality Assessment <br />CO-003 <br />Figure A-1 <br />Study Area <br />LEGEND <br />State <br />- County <br />O LakelPOndlOcean <br />- Street <br />Expressway <br />Highway <br />Connector <br />S Stream <br />® Military Area <br />® National Park <br />Other Park <br />City <br />County <br />0 1 2 3 4 5 6 mi <br />Scale 1:182932 88 <br />~a~eraQe--true scale depends on monitor resolution0 km <br />Source: US Census <br />Bureau TIGER <br />Mapping Service <br />Based on WQCD general approaches, there aze no dischazges composed entirely of surface <br />runoff water evaluated in this assessment. This is because automatic discharges of surface runoff <br />water will not occur during periods of critical low flow as surface runoff water only occurs <br />during precipitation events, and any manual releases of surface runoff water dischazges from <br />ponds will be required to meet the assimilative capacities set forth in this WQA. <br />The ratio of the low flow of the unnamed tributaries to East Salt Creek to the Central Appalachia <br />WWTF design flow is 0:1. No other facilities discharge to these receiving waters, thus no other <br />upstream or downstream facilities had an impact on the assimilative capacities available to the <br />Centrai Appalachia WWTF. However, due to lack of available dilution, analyses indicate that <br />assimilative capacities aze extremely limited. <br />Information used in this assessment includes data gathered from the Central Appalachia W WTF, the <br />WQCD, the U.S. Environmental Protection Agency (EPA), the U.S. Geological Survey (USGS), <br />Appendix A Page 2 of 9 Draft <br />