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Spring 5-47 was first discovered by SCC personal in 1989 and was • <br />monitored first in June 1990. It is a developed spring existing <br />alongside the mine entrance haul road just to the west of the Seneca II- <br />W Meteorological Station. This spring became part of the required <br />monitoring program in 2000. Its EC plot indicates a decreasing trend. <br />Spring 5-48, a.k.a. the Flanders Spring, is located just upstream of the <br />009 Pond. This spring became part of the required monitoring program in <br />2000. The EC plot indicates a decreasing trend (SF=0.5) since 2001. <br />Spring S-7 in an alluvial clearwell located adjacent to Hubberson Gulch. <br />It serves as the non-potable water supply at the Smith ranch. Due to the <br />taste and possible coliform contamination of the spring, bottled water <br />is used for drinking. Sampling at this spring was discontinued in 1990, <br />but was reestablished in 1999 since it is downstream of mining at the <br />Seneca II-W South area. Its EC plot indicates an increasing trend. <br />The hydrology monitoring program at the Seneca II-W Mine requires a <br />spoil spring survey every year after the spring snowpack runoff. Spoil <br />Spring 1 (WSSPGI, not to be confused with WSPG1) was discovered in 1998 <br />above the NPDES 005 pond (D pit area). it existed approximately 800 feet <br />southeast of Well GW-S2W-14W. Zts EC plot indicates a stable trend. <br />Spoil Spring 2 (WSSPG2) was discovered in June 1999. It is located in <br />the main stream channel above Pond 006 adjacent to the oil well. Its TDS <br />plot indicates an increasing trend. <br />Spoil Spring 3 (WSSPG3) was discovered in September 1999. It is located <br />immediately to the east of Pond 006. Its EC plot indicates an increasing <br />trend. <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 a decreasing trend. <br /> <br />20 <br />