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Holcim South Platte Combined SWSP September 18, 2025 <br /> Plan IDs 3614, 4773, 3624, 4772, 4616, 3437, 3376, 3650, 3668, 5475, 5829, Ft 6243 Page 8 of 37 <br /> occurred, all depletions from this pit will continue to be replaced under <br /> this SWSP during this plan period. <br /> Exposed Groundwater Surface: 64.0 acres <br /> Active Dewatering: Yes <br /> F-Street Pit Status: Resource extraction at the F-Street Pit is complete and <br /> reclamation is in progress. Depletions covered by this SWSP are limited to <br /> (Lower water lost due to evaporation, as lagged dewatering and operational <br /> Poudre River) depletions are no longer accruing to the river. <br /> Exposed Groundwater Surface: 37.2 acres <br /> Active Dewatering: No <br /> Depletions <br /> The lagged depletions resulting from evaporation, water lost in mined product (including the <br /> washing of imported material), dust control, slurry wall construction, concrete batching, and <br /> dewatering operations at each site are shown in Table C below: <br /> Table C - Depletion Summary (all amounts in acre-feet) <br /> WatDust Lagged Total <br /> Lost in n Control/ Concrete Lagged Dewatering Depletions <br /> Site Name Evap. Mined Slurry Batching Total Depletions Depletions to be <br /> Product Wall Impacting Replaced <br /> Const. the River <br /> Jeronimus 12.0 0 0 0 12.0 13.01 0 13.01 <br /> Pit <br /> Hazeltine 0 0 0 0 0.0 1.02 29.83b 30.86 <br /> Pit <br /> Brighton Pit 2.7 0 0 0 2.7 4.74 2.17b 6.91 <br /> Tucson 19.94 <br /> 8.20 (1,354,800 4.80 0 32.9 36.91 0` 36.91 <br /> South Pit tons <br /> Wattenberg 49.80 0 0 0 49.80 62.86 6.761 69.61 <br /> Pit <br /> Platte 19.94 <br /> 148.5 (1,354,800 18.58 7.6 194.5 195.18 0 195.18 <br /> Valley Pit tons <br />