2011-05-20_HYDROLOGY - M2004013 - Laserfiche WebLink

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TABLE 2 TOTAL LAGGED STREAM DEPLETIONS FOR YEARS 2009 AND 2010 ST. BARBARA BAND AND GRAVEL MINE - SCENARIO A. MINING OCCURS AND POND 5 REFILLS IN AUGUST FOLLOWING MINING Year 2011 1 3 4 PBW W TOTAL EVAPORATION REPLACEMENTS AND OPERATIONAL CREDIT/DEPLETION TOTAL LAGGED RIVER NCLUD NG MONTH WATER LOSSES FROM REFILLING DEPLETIONS 1%TRANSIT LOSS ACRE-F ACRE-F CRE-FE CRE-F JAN FEB 0.62 0 97 0.D0 1.59 1.61 MAR . 0.00 1.37 1,38 7.34 0.00 1.55 1 57 APR MAY 2.39 050 1.70 . 1.72 JUN 3.21 4.11 0.00 -2.75 216 0.00 2.18 -o 00 JUL 3.91 0.00 289 . 3.02 AUG SET 3.36 269 275 0 00 3.45 3.48 OCT . , 3.50 3.54 1.94 0 295 2 98 NOV DEC 1.04 0 75 0.00 2.34 . 236 TOTAL . 26.53 0.00 0.00 1.97 25.57 1,gg 25.83 NOTES: (1): COL (8) - (FROM TABLE 1) (2): BASED ON 2 FT FILL DEPTH OF POND SAND DIMENSIONS OF 300' BY 200' (CREDIT IS OBTAINED INSTANTANEOUSLY FOR CREDIT IN JUNE WHEN PIT IS DEWATERED. THE DEPLETION CAUSED BY REFILLING IS LAGGED TO THE SOUTH PLATTE RIVER AS IF IT WERE AN EVAPORATION OR OPERATIONAL LOSS) (3): BASED ON STREAM DEPLETION MODEL (CANNOT BE NEGATIVE) (4): COL (3) + 1% TRANSIT LOSS SCENARIO B- NO MINING OCCURS AND NO REFILLING OCCURS Yeer2011 i 2 3 4 PBW W TOTAL EVAPORATION REPLACEMENTS AND OPERATIONAL CREDITIDEPLETION TOTAL LAGGED RIVER INCLUDING MONTH WATER LOSSES FROM REFILLING DEPLETIONS i%TRANSIT LOSS JAN - ACRE-FE --k2EEFEEI RE-FE ACR -FEET) FEB MAR 0.82 0.97 0.00 0.00 1.59 1.37 1.61 1.38 1.34 0.00 1.55 1 57 APR MAY 2.39 0.00 1.70 . 1.72 JUN 3.21 3 95 0.00 - 2.16 218 JUL . 0 .00 2.52 2,55 3.73 0.00 -2 .92 295 AUG SET 3.36 0.00 297 3.00 OCT 269 1.94 0.00 0 00 277 280 280 NOV 1.04 . 0.00 2.14 263 2 16 DEC TOTAL 0.75 26 19 0.00 1.83 . 1.B5 . 0.00 26.12 26.40 NOTES: (1): COL (8) - (FROM TABLE 1) (2): BASED ON 2 FT FILL DEPTH OF POND 5 AND DIMENSIONS OF 300' BY 200' (CREDIT IS OBTAINED INSTANTANEOUSLY FOR CREDIT IN JUNE WHEN PIT IS DEWATERED. THE DEPLETION CAUSED BY REFILLING IN AUGUST IS LAGGED TO THE SOUTH PLATTE RIVER AS IF IT WERE AN EVAPORATION OR OPERATIONAL LOSS) (3): BASED ON STREAM DEPLETION MODEL (4): COL (3) + 1% TRANSIT LOSS Year 2019 1 4 PBW W TOTAL EVAPORATION REPLACEMENTS AND OPERATIONAL TOTAL LAGGED TO ARKANSAS RIVER INCLUDING MONTH WATER FROM M REFILLING REFlLLING DEPLETIONS 1% TRANSIT LOSS J CRE ACRE-F RE-F CRE-FE AN 0.82 97 0.00 0 00 1.71 1.73 LIAR 1.34 . 0.00 1.50 1.62 1.52 1 64 0.00 1.77 . 1 79 1 0 0.00 223 . 225 11 -275 0.00 - 0 00 E 91 1 000 364 . 307 36 2.75 350 354 SEP 9 2.69 354 358 4 000 2.99 3.02 4. 0.00 2,38 2 40 5 0.00 2.01 . .53 0.00 2629 28.57 NOTES: (1) COL (8) - (FROM TABLE 1) (2): BASED ON 2 FT FILL DEPTH OF POND 5 AND DIMENSIONS OF 300' BY 200' (CREDIT IS OBTAINED INSTANTANEOUSLY FOR CREDIT IN JUNE WHEN PIT IS DEWATERED. THE DEPLETION CAUSED BY REFILLING IS LAGGED TO THE SOUTH PLATTE RIVER AS IF IT WERE AN EVAPORATION OR OPERATIONAL LOSS) (3): BASED ON STREAM DEPLETION MODEL (CANNOT BE NEGATIVE) (4): COL (3) * 1% TRANSIT LOSS Year2012 1 3 4 PBW W TOTAL EVAPORATION REPLACEMENTS AND OPERATIONAL CREDIT/DEPLETION TOTAL LAGGED RIVER INKC UD NG MONTH WATER LOSSES FROM REFILLING DEPLETIONS 1% TRANSIT LOSS J (ACRF-FEET) CRE-F ACRE-F (ACRISFEET) AN 0.82 0.00 1.60 1 62 FEB 0.87 0.00 tA2 . 1 43 MAR 734 0.00 1.55 . 1 67 APR 239 0.00 -1 .70 . 1 72 MAY 321 0.00 2.16 . 218 JUN 3.95 0.00 2.52 255 JUL 3.73 0.00 -2 .92 2 95 AUG 3.36 0.00 2.97 . 3 00 SEP 2.69 0.00 2.77 . 2 80 OCT 1.94 0.00 2.60 . 263 NOV 1.04 0.00 919 217 DEC TOTAL 0.75 26 19 0.00 0 00 1.83 1.85 . . 26.19 26.47 NOTES: (1) COL (8) - (FROM TABLE 1) (2): BASED ON 2 FT FILL DEPTH OF POND 5 AND DIMENSIONS OF 300' BY 200' (CREDIT IS OBTAINED INSTANTANEOUSLY FOR CREDIT IN JUNE WHEN PIT IS DEWATERED. THE DEPLETION CAUSED BY REFILLING IN AUGUST IS LAGGED TO THE SOUTH PLATTE RIVER AS IF IT WERE AN EVAPORATION OR OPERATIONAL LOSS) (3): BASED ON STREAM DEPLETION MODEL (4): COL (3) r 1% TRANSIT LOSS Moon rM Kbod WafwCm &mwk km