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Table 8 <br />Summary of Surface Water Monitoring Sites, <br />Peabody Sage Creek Mine, Routt County, Colorado <br />Site Name Drainage and Elevation <br />(Computer ID.) (See Exhibit 7-2) <br />NPDES 002 <br />Lower Little Grassy Creek <br />(NPDES2) <br />6614 feet <br />NPDES 003 <br />Discharges into Lower <br />(NPDES3) <br />Grassy Creek, 6577 feet <br />NPDES 004 <br />Upper Cow Camp Creek <br />(NPDES4) <br />6947 feet <br />NPDES 007 <br />Upper Bond Creek <br />(NPDES7) <br />6875 feet <br />NPDES 008 <br />Upper Bond Creek <br />(NPDESS) <br />7015 feet <br />SW -S2-1 <br />Upper Grassy Creek <br />(SSG1) <br />6595 feet <br />SW -S2-2 <br />Lower Grassy Creek <br />(SSG2) <br />Water quality at 6565 feet <br />CSG at 6575 feet <br />SW -S2-3 <br />Lower Northwest Diversion Ditch <br />(SSG3) <br />(see Exhibit 7-7) <br />SW -S-4 <br />Upper Northwest Diversion Ditch <br />(SSG4) <br />SW -S-5 <br />Upper Little Grassy Creek <br />(SSLG5) <br />6790 feet <br />SW -S2-6 <br />Upper Cow Camp Creek <br />(SSC6) <br />6875 feet <br />SW -S2-7 <br />Secondary inlet to Wadge Impoundment <br />(SSLG7) <br />SW -S2-8 <br />Gully at Wolf Creek revision area <br />(SSR8) <br />SW -S2-9 <br />Upp Bond Creek <br />(SSB9) <br />Type of Flow Measurement and Remarksl,2 <br />Continuous recorder with 3 -foot H -flume (site referred to as Wadge <br />Impoundment) <br />15 -inch Thelmar weir in discharge culvert (site referred to as Shop <br />Reservoir or Northwest Impoundment) <br />2 -foot H -flume <br />Continuous recorder with 1 -foot Parshall flume, discontinued 1987 <br />Continuous recorder with 1 -foot Parshall flume, replaces NPDES 007 <br />In Seneca II Mine permit area. Flume removed 2015. <br />Crest Stage Gage (CSG) site, Q = VA <br />Quality sample taken at site below NPDES 003 discharge; Q = VA, CSG <br />upstream of NPDES 003 discharge on Lower Grassy Creek (reported <br />flows include NPDES 003 flow) <br />Monitored fly ash area drainage; discontinued when Colorado Ute <br />Electric Association bought property; monitoring discontinued. <br />Discontinued per CMLRD's response to the Seneca II Mine 1983 ABR <br />(April 1984) <br />CSG site, Q = VA (high flow), Q = B & S (low flow) <br />Q = VA (high flow), Q = B & S (low flow); CSG site, discontinued 1997 <br />Discontinued (primary inlet is Little Grassy Creek) <br />Temporary site; destroyed by mining <br />Q = VA (high flow), Q = B & S (low flow) ; CSG site <br />Discontinued, replaced with NPDES 008 <br />