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Spoil Spring 3 (WSSPG3) was discovered in September 1999. It is located <br />immediately to the east of Pond 006. Its TDS plot indicates an <br />increasing trend, with the peak occurring in July 2011. <br />Spoil Spring 4 (WSSPG4) was first sampled in 2003. It contains the <br />combined discharges of the backfilled A and B pits. It is sampled at the <br />outlet of the haul road culvert just above Pond 006. Its TDS plot <br />indicates an increasing trend; however, the peak occurred in May 2004. <br />Spoil Spring 5 (WSSPG5) was first sampled in June 2006. It is located <br />above the large culvert that feeds into Pond 016. Its TDS plot indicates <br />a decreasing trend, with the peak occurring in May 2007. <br />Spoil Spring 6 (WSSPG6) was first sampled in July 2011. It is located at <br />the discharge of Stock Tank 25, which was above Pond 017. The stock tank <br />was removed latex in 2011, therefore, the 2011 sample will be the only <br />sample collected at this site. <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 />10). This list is composed of CDPHE surface water agricultural use <br />standards (CDPHE, Reg.31, November 2009). <br />Table 11 provides a comparison of this year's surface water quality, <br />including• springs, to agricultural standards. This Paradox database <br />generated table does not include the units of concentration (mg /l or <br />ug /1) for each parameter. The units used for each parameter are the same <br />as those listed on the standards table (Table 10) and are also the same <br />as those used in the water quality reports. The frequency column on <br />Table 11 indicates, in this order: uncensored, that is, the number of <br />exceedances above the Method Detection Limit (MDL) / the number of <br />exceedances between the MDL and the Practical Quantitation Level (PQL) / <br />censored, that is, the number of sample values below the MDL but the MDL <br />was higher than the standard / the total number of samples. Below is a <br />19 <br />