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values exhibit a slightly increasing trend, with the peak value <br />occurring in 2013. This site is also a part of the Peabody Sage Creek <br />Mine monitoring program. <br />Springs <br />- Spoil Spring 1 (YSSPGI). This spoil spring was discovered in <br />September 2002. It is located just above the old haul road culvert <br />crossing Annand Draw. Its TDS plot displays a decreasing trend since <br />2008. <br />- Spoil Spring 2 (YSSPG2). This spoil spring was discovered in May 2005 <br />below Stock Pond 011A (i.e., above NPDES Pond 011). It is normally dry <br />in the fall. Its TDS plot displays decreasing trend since 2010. <br />- Spoil Spring 3 (YSSPG3). This spoil spring was discovered in <br />September 2005 above NPDES Pond 012. Its TDS plot displays an increasing <br />trend. <br />- Spoil Spring 4 (YSSPG4). This spoil spring was discovered in June <br />2006, in the main channel that feeds NPDES Pond 012. It is located to <br />the north of Spoil Spring 3. Its TDS plot displays a decreasing trend. <br />Comparison of Surface Water Quality to Water Use Standards. SCC has <br />compiled a list of surface water standards for agricultural uses (Table <br />11). This list is composed of CDPHE surface water agricultural use <br />standards (CDPHE, Reg.31, November 2009). <br />Table 12 provides a comparison of surface water quality (including <br />springs) to agricultural standards. This Paradox database -generated <br />table does not include the units of concentration (mg/l or ug/1) for <br />each parameter. The units used for each parameter are the same as those <br />listed on the standards table (Table 11) and are also the same as those <br />used in the water quality reports. The frequency column on Table 12 <br />12 <br />