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Natural Soda LLC 2023 Project Status Report & Annual Plan of Development 28 January 2024 Table 7: Historical Comparison with 2023 Water Year Data Table 8: Yellow and Piceance Creek Discharge Data up to 2023 Water Year cfscfsac ft/yrac ft/yrMaxMaxMinMinMaxMax620024.90 (58 yrs) 30.3017,991 21,936 2,800 1,840 600 928 26.3 13.3622230.40 (57 yrs) 36.9022,008 26,714 7,240 2,970 516 1,150 30.0 15.962421.50 (48 yrs)2.631,073 1,904 1,7601,4603121,16024.013.762552.30 (45 yrs)2.421,672 1,752 5,330 4,710 460 2,160 31.0 17.66200 Piceance Creek below Ryan Gulch6242 Corral Gulch near Rangely6222 Piceance Creek at White River6255 Yellow Creek near White River* P of R = Period of Record for collection of data.**WY = Water Year (October-September).cfs = cubic feet per second, average annual flow.N/D = No data available at time of publicationStationDischarge P of R*Discharge2023 WY**Average Total DischargeP of RTotal Discharge 2023Specific conductanceTemp (°c.)(µS/cm @ 25° C)P of R 2023 WY P of R 2023 WY P of R 2023 WYStation20102011201220132014201520162017201820192020202120222023620013.4 36.2 17.5 11.3 10.7 15.9 17.0 11.7 7.5 9.6 10.9 5.9 7.1 30.3622217.6 41.7 19.2 11.8 13.0 19.7 21.2 15.5 8.9 11.6 12.4 7.4 8.2 36.962420.3 1.1 0.3 0.2 0.5 0.5 1.9 0.6 0.1 1.0 0.4 0.2 0.8 2.662550.9 1.3 1.2 1.1 1.2 1.3 1.3 1.7 0.8 1.6 0.9 0.5 2.0 2.4Station2010201120122013201420152016201720182019202020212022202362002,020 1,460 1,610 1,930 2,040 1,770 1,840 2,120 1,700 1,740 1,590 2,100 1,760 1,84062224,800 2,290 5,350 5,100 3,190 2,790 2,020 3,550 5,350 3,300 4,160 4,610 4,650 2,97062421,460 1,280 1,480 1,430 1,400 1,330 1,170 1,280 1,490 1,480 1,260 1,440 1,470 1,46062554,260 4,130 4,170 4,720 4,530 4,070 4,520 3,600 3,980 4,530 4,560 4,560 5,330 4,710N/D No data available at time of publication.Project Data ComparisonDischarge for Water Years in cfs Maximum Specific Conductance (µS/cm @ 25° C)* P of R = Period of Record for collection of data.**WY = Water Year (October-September).cfs = cubic feet per second, average annual flow.6200 Piceance Creek below Ryan Gulch6242 Corral Gulch near Rangely6222 Piceance Creek at White River6255 Yellow Creek near White River
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