2013-08-21_HYDROLOGY - M1977559 - Laserfiche WebLink

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Table 2 VALCO, INC. SWSP ACCOUNTING PROJECTION Canon City East Pit (all values m acm -feet uNms otherwise indtcmed) Notes Shaded months correspond with projection data, non - shaded months correspond with actual data 111 Told maximum exposed gmundwmar surface urea in the pit 121 Total gravel mined below the pround+smer table m reported b) Valco Mining has completed to the Canon Cln East Pit 131 Well pumping measured with lotalira The pump has been removed and no more pumping will occur 141 Required evoporotise replacement based upon the folbwmg Equals(] 11 • 154 ac) ♦ 31 G N mould, % 15 40 are pre-lyg 1 exposed groundwater surface ores (does not regwm migrnentmian) 3 1 fact annual net evmpormion rate at thesne I51 Water in mined gravel is 4•, to weight of the gravel produced Equals 121 x V 1359 a01on of water) \ 4% 161 Wdl pumpirnr convened to acre -feet Equals 1311(325 951 gal+at) 171 Equal to volume of water than rill rill the pit when dewateng ceases Value onh entered on month that deumevng ceases, and is equal to 1161 for the month that initial dewmenng occurs 181Tadunl waeddepictionsregwnngreplacement Equals 141 +151'161 +171 191 Total logged depletion to the Arkansan River Lagging nelhod described in the SWSP renewal request, dated April 2013 1101 Historic emnsunpine use credit from 25 Canon Cm and Oil Creel, Ditch shores I I I I Taal flow measured in the CCAOC Duch by flume on Valco�s propenv Inputted to Arkansas River 1121 The percent of water Valco will claim as Ct' from the total amount of water that flows through the ditch that month Based on Gloves- Cnddle ones) sit and historic irrigation records Actual consumpine use credit calculated from total water through flume in CCAOC Duch 1131 Measured Canon Cip and Oil Creek Ditch consumpit+e toe credit used to augment Croon Cm East Pit depletions Broad on anotnit of tad flow bvpmsed to river 1 111, oqud 101111 • 112) 1141 CU credit toed equals the lesser of191. 1 101 and 1131 1151 Excess Carton Cin and Oil Creek Ditch credits Equals the lesser of ti I(!1 or 11311 � 1141 1 161 Equal to the mnount of W mer removed from the pit dung "mend dewutennt;" de6nod as dewmenng that occurs unul dewmermg reaches equilibrium with inflows to Use pit Value units entered on month that imual dewmenng occur 1171 Equal to the amount of measured credit redivened for temporary storage b) the UAWCD The value should be equal to or Ins then 1161, and oni) during month that initial de%atenng occurs 1181 Equal to the amount of %mer released to offset depletions to the river that occur when dewmenng ceases Releases will be based on lagged depiction occurring Gom fllhng of the pit 1 191 Upper Adams Water Cowmancm District scheduled release for Canon City East Pit J201 Required Upper Arkansas Wmer Conservam* District lease volume needed to replace rrmatning depletions Equals 191.1141 • J If+1 f 1171 - I I XJ 1211 Remaining Depletions I-) or Surplus Credit ( ^) after accounting fur replacement source Equals the lessor of I 1 101 or 11311 ' 1161- I t 71 • 11 g 1 • 1191 • 191 >M 4-4;c —< m 0mz 00c IT r-+ < nixC=D M m cx3 apt ♦ AC+irif�fM � rlCltrft ,vL Operations Replacement R uirement C'C•AOCDitch Re Iacemenl LAWCD Learn and A : regiment Exposed Gravel Balch Plant Net Water in Desch Unlagged Total Total Total Flow Amount of Credo From Credit Dewatenng Demanmg Depletions Month Wiser Surface Production Pumping mpi g Et apormi+e Maned Plant Depletion from Unlaygod l.aggod HCU CU Credit B)passedto CUelmmad CU Credit Excess [cwmrnng StitrodM Credit Requested Required I•YSuIII (tonal (gdlona) Depletions Gravel Pumping FJhngof Depletions Depletions A+mloble Measured Rorer per month Used CU Credit Mining Pn UAWCO Released b) Amount Amount Credit (4) (ac) Gravel Pit UAWCD I 1 121 131 4 S 1 161 171 X 1 [91 1101 II 12 13 N 1 1151 1161 17 IX 1 1191 l2ol 21 Jute '13 301 0 0 661 000 aDO 000 661 299 771 397% - 219 4.19 01X1 Ono 000 OW 000 481 lull 301 0 0 684 Boo 000 000 694 411 112 422% 488 394 000 000 000 000 000 394 August 301 0 0 615 000 000 000 6,13 538 737 36.3% 530 1 99 000 000 000 000 000 199 Sepbrislaor 301 0 0 456 000 400 000 4.36 498 497 279% 497 000 000 000 000 001 001 000 October 301 0 0 319 000 0W 000 319 417 2,34 136% 2.34 000 000 atilt DOD 163 163 coo Nmembr 301 0 0 182 000 000 000 112 316 024 32% - 024 000 000 Goo 000 292 292 000 Deomtber 301 0 0 1.37 000 ODD 000 137 240 000 00% - 0010 000 000 000 01X1 240 240 000 lnnars,14 301 a 0 137 000 000 000 1.37 191 000 00% - 000 Goo 000 000 coo 194 194 000 Fdmae3 301 0 0 09 000 000 Goo I59 177 000 00% - 000 000 000 ODD 0W 177 177 000 Month 301 0 0 231 A00 000 000 231 207 015 30% - 015 000 000 040 OW 192 192 000 April 303 0 0 410 ODD ODD coo 410 296 214 121% 214 000 000 000 DOD 082 R32 000 301 0 0 541 0010 000 000 547 410 434 20 410 024 000 000 000 000 OW G24 Annual Tdal U 0 45 S7 U 00 0 W 0 (>D 45 57 4U 71 310 34 27 30 11 IN 0 (9} 0 1X1 U W 13 41 i 3 41 I 1 M Notes Shaded months correspond with projection data, non - shaded months correspond with actual data 111 Told maximum exposed gmundwmar surface urea in the pit 121 Total gravel mined below the pround+smer table m reported b) Valco Mining has completed to the Canon Cln East Pit 131 Well pumping measured with lotalira The pump has been removed and no more pumping will occur 141 Required evoporotise replacement based upon the folbwmg Equals(] 11 • 154 ac) ♦ 31 G N mould, % 15 40 are pre-lyg 1 exposed groundwater surface ores (does not regwm migrnentmian) 3 1 fact annual net evmpormion rate at thesne I51 Water in mined gravel is 4•, to weight of the gravel produced Equals 121 x V 1359 a01on of water) \ 4% 161 Wdl pumpirnr convened to acre -feet Equals 1311(325 951 gal+at) 171 Equal to volume of water than rill rill the pit when dewateng ceases Value onh entered on month that deumevng ceases, and is equal to 1161 for the month that initial dewmenng occurs 181Tadunl waeddepictionsregwnngreplacement Equals 141 +151'161 +171 191 Total logged depletion to the Arkansan River Lagging nelhod described in the SWSP renewal request, dated April 2013 1101 Historic emnsunpine use credit from 25 Canon Cm and Oil Creel, Ditch shores I I I I Taal flow measured in the CCAOC Duch by flume on Valco�s propenv Inputted to Arkansas River 1121 The percent of water Valco will claim as Ct' from the total amount of water that flows through the ditch that month Based on Gloves- Cnddle ones) sit and historic irrigation records Actual consumpine use credit calculated from total water through flume in CCAOC Duch 1131 Measured Canon Cip and Oil Creek Ditch consumpit+e toe credit used to augment Croon Cm East Pit depletions Broad on anotnit of tad flow bvpmsed to river 1 111, oqud 101111 • 112) 1141 CU credit toed equals the lesser of191. 1 101 and 1131 1151 Excess Carton Cin and Oil Creek Ditch credits Equals the lesser of ti I(!1 or 11311 � 1141 1 161 Equal to the mnount of W mer removed from the pit dung "mend dewutennt;" de6nod as dewmenng that occurs unul dewmermg reaches equilibrium with inflows to Use pit Value units entered on month that imual dewmenng occur 1171 Equal to the amount of measured credit redivened for temporary storage b) the UAWCD The value should be equal to or Ins then 1161, and oni) during month that initial de%atenng occurs 1181 Equal to the amount of %mer released to offset depletions to the river that occur when dewmenng ceases Releases will be based on lagged depiction occurring Gom fllhng of the pit 1 191 Upper Adams Water Cowmancm District scheduled release for Canon City East Pit J201 Required Upper Arkansas Wmer Conservam* District lease volume needed to replace rrmatning depletions Equals 191.1141 • J If+1 f 1171 - I I XJ 1211 Remaining Depletions I-) or Surplus Credit ( ^) after accounting fur replacement source Equals the lessor of I 1 101 or 11311 ' 1161- I t 71 • 11 g 1 • 1191 • 191 >M 4-4;c —< m 0mz 00c IT r-+ < nixC=D M m cx3 apt ♦ AC+irif�fM � rlCltrft ,vL