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REP45878
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REP45878
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Entry Properties
Last modified
8/25/2016 12:48:48 AM
Creation date
11/27/2007 10:44:40 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
Report
Doc Date
12/11/2001
Doc Name
1996 WATER YEAR ANNUAL HYDROLOGY REPORT SENECA II MINE
Annual Report Year
1996
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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6WC37 have exhibited, ehie year, the lowest rater levels oa record. This ie due to <br />derateriaq from the ndj scant mining Dit. Nally 35 and SWC37 rare abandoned oa March S. <br />sDoila. Tares collet 11, 73, and 16r era completed is the uDDer region of eyoils (above <br />the Wadga I~oundment) white is generally unsaturated. Well 13 sometimes shore rater in <br />late Pebruary, Marsh, and hpril se snow mel to quickly off this westerly Easing sloye. <br />Well 16 hne bean dry for the entire yariod of record. The 3.B feet of eaturetion observed <br />in Wall 71 is moat likely incorrect since edj scent Walla 13 end 14 era normally dry. Tae <br />suspect rater levels is wall 11 may be n result of rater traDDad in the borehole <br />(parhapa by n boulder in the epoila that the borehole does not completely Danatrata). <br />Thraa rolls, 15, 16, and 17 are situated is lower sDoila ndj scant to the Wadga i~oundmant <br />rhich receives sDoila rater Qlscherge. all three of these calla were outfitted with <br />continuous recorders operated by the O.S. Geological 9urvay (OSGS) until tae end of 1953. <br />Wall 75, the highest upgradi ant of thas• three walla oa tae sDoila elope, indicated an <br />absence of recharge is 1987, 1988, 1990, and 1991, but exhibited racanrge in all other <br />years niece 1983. Wall 17, lowest of the three, snore that its rater levels are most <br />likely dependant upon the rater level in tae Wedge Impoundment located 50 feat away. . <br />These findings era also euDDOrGed by tae O&GS personnel operating the recorders prior to <br />1986. Well 76, located between Wells IS and 17, normally exhibits very little seasonal <br />variability and rater levels bigbsr rasa aitaer IS or 17. Tbie ie not a normal ground <br />rater level Qradiantr therefore, ire rater levels should be reviewed rich caution. <br />Perhaps, ne wits wall 21, water is being trapped in tae borehole. <br />Seven aDoil calla pare completed is the fall of 1987. Three (Well 59, 60, and 61) rare <br />completed upgradiant of the sDoila Spring p3 area, rails four (Wells 61 to 65) rare <br />completed is the Spoils Spring Al area. Tha purpose of placing several walla at each Bite <br />rye to accurately define the potentiometric surf eta of the sDoila aquifer at aacIl <br />location. Water levels at Wells 59 through 61 have experienced an increase between July <br />and September of 1994. This ie due to ragradiaq of epoila and topsoil is this area teat <br />occurred during [hie lima frame. This regrading affected Spoil Spring q3 immediately <br />domgradiant of these throe spoil calla sad thereby affected the rater lavale in taos• <br />rolls. Water lavale at all other spoil cells exhibit normal seasonal variations. Wall <br />65 hne Deen dry for the satire period of record. It is located in an area where the <br />sDoila are unsaturated. • <br />4 <br />
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