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2.04.7 page 5
<br />• Water contained in the sediment ponds will not be discharged into the m~
<br />allowed to evaporate. The only water to be discharged from the ponds will be ti
<br />from precipitation events approaching or exceeding the ten year, twenty-four ho
<br />The ponds are described in Section 2.05.6 and are designed to manage the ten a
<br />year precipitation events as required by regulation and in accordance with the re
<br />National King Coal's N.P.D.E.S permit No. CO-G-850001. The sediment ponds
<br />spillways are designed by Don R. May, P.E., and are described in detail in Secti<
<br />Appendix 8 and Map C-13.
<br />By regulation, the mining company must manage water expected in a twf
<br />storm event predicted to occur once every ten yeazs. The National Oceanic and
<br />Precipitation Frequency Atlas of the Western United States -Colorado predicts
<br />twenty-four hour precipitation event at the mine site to be 2.2 inches (See Appe:
<br />As of August 26, 1999, the records of the Colorado Division of Water Re
<br />following wells which are within 1 mile of the permit boundary:
<br />1) 186332 : Ted Compton; NW SW Sec. 8, T34N R11W, use D,
<br />adow, but
<br />sated water
<br />storm event.
<br />id twenty-five
<br />~uirements of
<br />outlets and
<br />n 2.05.6.,
<br />hour
<br />ten year,
<br />5).
<br />ces show the
<br />2) 50641 : Colorado State Land Board; SW SE, Sec. 4, T34N R11W, i se 8, yield 7
<br />g.p.m., depth 225', water level 140'.
<br />3) 199059 : Gary Etheridge; SW SE, Sec. 8, T34N R11W, use D
<br />• 4) 168169: Corrine Decholnoky; NE SE, Sec.28, T35N R11W, use 8, yield.75
<br />g.p.m., depth 540', water level ?'.
<br />5) 18643: C.L. Wright or"Wiltze Well" NW NW, Sec.32, T35N R11W; use 8, yield 20
<br />6) 47390 : Violet Smith; NW NW, Sec.32, T35N R11W, use 8,i yield 35 g.p.m.,
<br />depth 72', water leve136'.
<br />7) 173452: Corrine Decholnoky; SW SW, Sec.27, T35N R11W, u i 8, yield ?
<br />g.p.m., depth ?', water level ?'.
<br />8) 106001: Gleu Grush; SW SW, Sec. 7, T34N R11W, use 8, yield 1.5 g.p.m.,
<br />depth 190', water leve146'. ~
<br />9) 77395 : Curtis Beyer; NW SW, Sec. 8, T34N R11W, use 89, yield 6 g.p.m.,
<br />depth 450', water leve1364'.
<br />•
<br />December 1999
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