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• values are more consistent than the eayflea Station data when evaluating the <br />spring runoff observed this year at Seneca II end Yoast. <br />Ground water <br />water Levels. Table 3 provides a summary of ground water monitoring sites at <br />the Yoa9t Miae, water level data are Drovifled in ApDeadix 8.. water level <br />reports for this year are presented immefliately after the water level hydrograph <br />of all flats since 1991. water level measurements are collected with as <br />electrical water level indicator or a steel tape. Pressure readings (ia Dei) <br />obtniaefl from flowing walla with Dreseure gages are multiplied by 2.31 to obtain <br />head in feat. The current ground water monitoring Drogrem ie Dreeented is Table <br />15-8 0£ the Yoaet Mine PAP. <br />- Alluvium. One moll, YAAL14, moaitora the Annaad Draw alluvium. Two wells, <br />YGAL15 sad 16, monitor the Graeay Creek alluvium. Nine wells; YSAL1 to 6, 8, 10 <br />and 12; monitor the Sage Creek alluvium. Most well water levels exhibit the <br />• typical eeaeoaal fluctuation, iaereaeiag water levels is the sDriag followed by <br />decreasing water levels is the summer and full. Noet wells exhibited water <br />lavele this year within their historic ranges. walla Y6AL3, 6, sad 5 exhibited, <br />is 1999, summer sn8 fall water lavele loser than ever obeervefl. Thies is likely <br />due to the Braining of the adjacent Poafl Y1 prior to its reeonatructioa ae Poad <br />012. The abaeace of adj aceat beaver dams that once existed oa 9ege Creek have <br />also affected water levels is these three walla. <br />- wedge Overburden. Six wells; YOV9, 15, 19, 2B, 29 and 30; monitor the Wedge <br />overburden. well YOV2B exists is the Aaaaad Oraw basin, all others exist in the <br />Saga Creek basin. Moat walla exhibit typical eeaeoaal fluctuations, and water <br />lavele this year within their historic ranges, although soma lag time for the <br />spring recharge is observed. well YOV19 was miae8 out is the winter of <br />1999/2000. well YOV28 (dowagra@Seat of the 1996/99 mice Dit is Aaaead Draw) has <br />experiencefl a decrease is water levels since August 1996. well YOV29 has <br />experienced a decrease in water levels since October 1998. well YOV30 has also <br />experienced a decline is water level e, although the last measurement shows on <br />• increase. <br />3 <br />