2014-02-13_HYDROLOGY - M1986015 - Laserfiche WebLink

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Table 1 Transit Mix of Pueblo, Inc. - East Pit Phase 1 Projected Depletion Analysis (February 2014 - January 2016) [ 1 ] Phase I of the Pueblo East Pit has approximately 16 5 acres of exposed ground water surface area [2] Gross Evaporation Rate equals 4 17 feet per year, based upon NOAA Evaporation Atlas Monthly distribution based upon SB -120 Guidelines [3] Gross Evaporation equals [I] x [2] [4] Effective Precipitation Rate equals 70 %of total precipitation, based upon NOAA Pueblo Memorial Airport weather station [5] Effective Precipitation Credit equals [4] x ([t ] -5 6), based upon 11 I acres of non - irrigated and non- phreatophyte area in Phase 1 [6] Average monthly potential consumptive use in Blaney - Criddle analyses for Phase 1 based on a depth to ground water of 6 feet Values limited on monthly basis to gross evaporation in [2] [7] Phreatophyte Reduction Credit equals [6] x 5 6 ac, based upon 5 6 acres of 100% canopy cover [8] Total natural vegetation credit equals [5] + [7] [9] Pond Evaporation Replacement Requirement equals [3] - [8] [ 10] Dust control depletions are assumed to be 100% consumptive and are based upon past maximum seasonal dust control pumping volumes [ 1 1 ] Phase I replacement requirement equals pond evaporation depletion plus the water used for dust control [9] + [ 10] BBA 51 11-1 or xa, 1. ura 111111-1111 ,. Surface Area Total Natural Vegetation Credit Pond Total Effective Effective Phreatophyte Phreatophyte Total Natural of Exposed Gross Gross Evaporation Replacement Ground Water Evaporation Evaporation Precipitation Precipitation CU Reduction Vegetation Replacement Dust Control Requirement (ac) Rate (fl) (ac -ft) Rate (ft) Credit (ac -ft) (ft) Credit (ac -fl) Credit (ac -ft) Requirement (ac -fl) (ac -ft) (ac-fl) Month I 2 3 4 151 [61 7 8 1 191 riol II Feb -14 165 0 15 248 002 0 19 000 000 0 19 2 28 1 48 3 76 Mar -14 16 5 023 3 80 005 052 006 034 086 293 1 48 441 Apr -14 16 5 0 38 627 007 076 038 2 13 2 89 3 38 1 48 486 May -14 165 0 50 825 009 093 050 280 3 73 4 52 1 48 600 Jun -14 16 5 0 60 990 008 083 060 3 36 4 19 5 71 220 791 Jul -14 165 063 1040 011 125 063 353 477 562 220 782 Aug -14 165 056 924 0 12 1 35 056 3 14 448 476 2 20 696 Sep -14 165 042 693 005 052 042 2 35 2 87 406 2 20 6 26 Oct -14 16 5 029 479 004 049 029 162 2 11 2 67 220 4 87 Nov -14 165 017 281 003 030 004 021 051 230 148 378 Dec -14 165 0 13 2 15 002 022 000 000 022 1 93 1 48 3 41 Jan- 15 1 16 5 0 13 2 15 002 0 20 000 000 020 195 1 1 48 3 43 f cb -15 165 0 15 248 002 0 19 000 000 0 19 2 28 1 48 3 76 Mar -15 165 0 23 3 80 005 0 52 006 034 0 86 2 93 1 48 441 Apr -15 165 038 6 27 007 076 0 38 2 13 2 89 3 38 1 48 486 May -15 165 050 8 25 009 093 050 2 80 3 73 4 52 1 48 600 Jun -15 165 060 990 008 083 060 336 419 571 220 791 Jul -15 165 063 1040 Oil 1 25 063 3 53 4 77 5 62 220 782 Aug -15 165 056 924 0 12 1 35 056 3 14 448 4 76 220 696 Sep -15 165 042 693 005 052 042 2 35 2 87 406 220 626 0c1-15 165 029 4 79 004 049 029 1 62 2 11 267 220 4 87 Nov -15 165 017 281 003 030 004 021 051 230 148 378 Dec -15 165 0 13 2 15 002 022 000 000 022 1 93 1 48 3 41 tan -l6 165 0 13 2 15 0 02 0 20 000 000 0 20 195 1 48 343 2014 Total 4 17 69 I 0 69 7 5 3 48 19 5 27 0 42 1 21 4 63 5 2015 Total 1 4 17 69 1 069 7 5 1 3 48 195 270 42 1 21 4 63 5 [ 1 ] Phase I of the Pueblo East Pit has approximately 16 5 acres of exposed ground water surface area [2] Gross Evaporation Rate equals 4 17 feet per year, based upon NOAA Evaporation Atlas Monthly distribution based upon SB -120 Guidelines [3] Gross Evaporation equals [I] x [2] [4] Effective Precipitation Rate equals 70 %of total precipitation, based upon NOAA Pueblo Memorial Airport weather station [5] Effective Precipitation Credit equals [4] x ([t ] -5 6), based upon 11 I acres of non - irrigated and non- phreatophyte area in Phase 1 [6] Average monthly potential consumptive use in Blaney - Criddle analyses for Phase 1 based on a depth to ground water of 6 feet Values limited on monthly basis to gross evaporation in [2] [7] Phreatophyte Reduction Credit equals [6] x 5 6 ac, based upon 5 6 acres of 100% canopy cover [8] Total natural vegetation credit equals [5] + [7] [9] Pond Evaporation Replacement Requirement equals [3] - [8] [ 10] Dust control depletions are assumed to be 100% consumptive and are based upon past maximum seasonal dust control pumping volumes [ 1 1 ] Phase I replacement requirement equals pond evaporation depletion plus the water used for dust control [9] + [ 10] BBA 51 11-1 or xa, 1. ura 111111-1111 ,.