Laserfiche WebLink
Table: 3a <br />Twentymile Coal, LLC <br />2017 Annual Hydrology Report <br />Period of Record Summary of Water Quality <br />Site: 068274C (006-82-74C, Bedrock Well, Wadge Overburden) Datum: 6840.61 <br />Type <br />Parameter <br />Fraction <br />Units <br />Period of Record <br />Sample Count Average <br />Median Maximum Minimum STDEV <br />FIELD <br />ield <br />ETemperature, <br />N <br />S.U. <br />5/8/1987 9/11/2017 <br />35 <br />8 <br />7.98 <br />9.33 <br />6.9 <br />0.668 <br />fic Conductivity, Field <br />N <br />UMHOS/CM <br />5/8/1987 9/11/2017 <br />35 <br />2930 <br />3010 <br />3940 <br />947 <br />618 <br />Field <br />N <br />DEG -C <br />5/8/1987 9/11/2017 <br />35 <br />11.2 <br />10.5 <br />16 <br />8 <br />2.19 <br />PHYSICAL <br />pH, Lab <br />N <br />S.U. <br />5/6/1997 4/12/20171 <br />23 <br />7.78 <br />7.8 <br />9.2 <br />5.9 <br />0.79 <br />Spec fic Conductivi Lab <br />N <br />UMHOS/CM <br />5/8/1987 4/12/20171 <br />42 <br />2975 <br />3130 <br />3800 <br />1150 <br />622.7 <br />Total Dissolved Solids Lab <br />N <br />MG/L <br />5/8/1987 4/12/2017 <br />42 <br />2678 <br />2960 <br />3710 <br />618 <br />800 <br />CATION <br />Calcium <br />D <br />MG/L <br />5/8/1987 4/12/2017 <br />42 <br />252 <br />245 <br />447 <br />1 <br />135 <br />Magnesium <br />D <br />MG/L <br />5/8/1987 4/12/2017 <br />42 <br />176 <br />204 <br />318 <br />0.32 <br />99.4 <br />Sodium <br />D <br />MG/L <br />5/8/1987,4/12/2017 <br />42 <br />266 <br />259 <br />566 <br />55.8 <br />102 <br />ANION <br />Alkalinity,Bicarbonate as CaCO3 <br />N <br />MG/L <br />5/8/1987 4/12/2017 <br />41 <br />134 <br />53 <br />451 <br />7 <br />146 <br />Alkalinity,Carbonate as CaCO3 <br />N <br />MG/L <br />5/8/1987 4/12/2017 <br />32 <br />14 <br />2.5 <br />190 <br />0 <br />33 <br />Sulfates <br />N <br />MG/L <br />5/8/1987 4/12/2017 <br />42 <br />1668 <br />1845 <br />2552 <br />43 <br />645.2 <br />PRIMARY <br />Cadmium <br />D <br />UG/L <br />5/8/1987 4/12/2017 <br />41 <br />0.9 <br />0.5 <br />5 <br />0.1 <br />1 <br />Lead <br />D <br />UG/L <br />5/8/1987 4/12/2017 <br />42 <br />100 <br />40 <br />400 <br />20 <br />100 <br />Mercury <br />D <br />UG/L <br />5/8/1987 4/12/2017 <br />42 <br />0.4 <br />0.2 <br />1 <br />0.1 <br />0.4 <br />Selenium <br />D <br />UG/L <br />5/8/1987 4/12/2017 <br />42 <br />6360 <br />1 <br />267000 <br />0.2 <br />41200 <br />SECONDARY <br />Iron <br />D <br />UG/L <br />5/8/1987 4/12/2017 <br />42 <br />2270 <br />210 <br />31200 <br />5 <br />6760 <br />Manganese <br />D <br />UG/L <br />5/8/1987 4/12/2017 <br />42 <br />488 <br />435 <br />1670 <br />10 <br />401 <br />TRACE <br />Molybdenum <br />D <br />UG/L <br />5/8/198714/12/20171 <br />42 <br />50 <br />50 <br />200 <br />10 <br />40 <br />NUTRIENT <br />NO3-NO2 Nitrogen <br />N <br />MG/L <br />1MG/L <br />5/8/1987 4/12/2017 <br />42 <br />0.044 <br />0.02 <br />0.33 <br />0.01 <br />0.061 <br />Phosphorus, Ortho hos horus <br />N <br />5/8/1987 4/12/2017 <br />41 <br />0.0339 <br />0.01 <br />0.792 <br />0.005 <br />0.122 <br />2/27/2018 I:\Environmental\CDMG - CDRMS\AHR\2017\AHR ALL FINAL Tables068274C <br />