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TABLE 15-3 <br />Historical Information for Ground Water Wells <br />Seneca II-W Mine <br />Well Number Year Vear Water Levels Comments, Problems, Etc. <br />Completed Discontinued to 1989 <br />GW-S2W-1 W <br />GW-S2W-1 OV <br />GW-S2W2WC <br />GW-S2W-2W <br />GW-S2W-20V <br />GW-S2W-3EW <br />GW-S2W-3E1 <br />GW-S2W-3EWC <br />C~2W-3WC <br />GW-S2W-3W <br />GW-S2W-30V <br />GW-S2W-4W <br />G W-S2W-40V 1 <br />GW-S2W-4WC <br />GW-S2W-40V2 <br />GW-S2W-5W <br />GW-S2W-50V <br />GW-S2W-6A1 <br />G 2W-6A2 <br />G 2W-6A3 <br />1979 <br />1979 <br />1979 <br />1979 <br />1979 <br />1979 <br />1979 <br />1979 <br />1980 <br />1986 46 Completed in same bore hole. Seal failed in 1980. <br />Water quality samples are suspect (?1. Sampling of 1 W <br />ended 02/82. <br />Completed in same bore hole. Seals failed by 1965. <br />1986 38 Some water quality samples are suspect I?1. <br />Water level observation wells only completed in same <br />1983 36 bore hole. Seal failed in 1983. <br />- 52 Single monitoring well. <br />- 58 from Completed in same bore hole. <br />3W 30V is a dry well. 3W dry from 1980-83. <br />1986 43 Completed in same bore hole. <br /> 40V1 is dry well some times. <br /> 4W produced water quality samples and level data. <br />1986 69 Water level observation wells only completed in same <br /> bore hole. Poor completion record and hydraulic link <br /> with lower aquifers =suspect data. Completed in sam <br /> bore hole. Seal failed in 1980. <br />1966 46 <br />45 Single wells along transect in alluvium. <br />