Laserfiche WebLink
<br /> <br /> locally (see Figure I.4-1). Water moves down slope and <br /> discharges as springs and seeps. Water inflows have <br /> continued to remain negligible for areas of greater <br />' t <br />b <br />d di <br />t 1000 ft f <br />th <br /> over <br />ur <br />en cover a ances more <br />s rom <br />an <br />' the subcrop. <br /> Mine water inflows for Water Year 1984 are expected to <br />' <br /> be similar to Water Year 1983 and substantially below <br />' the "worst case" estimates contained in the Mt. <br /> Gunnison MRP. Effluent quality characteristics of mine <br /> water pumped to the sediment pond would be similar to <br /> the results of the analysis in Table I.4-2 performed on <br />' <br /> six samples of mine water inflows in the vicinity of <br />' the Sylvester Gulch Return in the Mt. Gunnison No. 1 <br /> Mine in 1983. <br />' <br /> Even though mine wat er will be treated in sedimentation <br /> ponds, the analysis results suggest that untreated mine <br /> water would meet all NPDES discharge limits. Consider- <br />' ati <br />n of eff <br />of <br />ct i <br />l <br />i <br />t <br />dis <br />h <br />d <br />d <br /> o e <br />s m <br />ne wa <br />er <br />c <br />arge <br />eve <br />s <br />ope <br />' in Section II.3. <br /> Water level fluctuations in the 18 monitoring wells <br /> <br /> showed no patterns which cou ld be attributable to ef- <br />' fects of mining. Well SOM 38-H-1 showed water level <br /> thoughout the summer that w ere about 25 feet higher <br /> than previous years. Several measurements were missing <br /> <br />-18- <br />