Laserfiche WebLink
Table: 4a <br />Twentymile Coal, LLC <br />2017 Annual Hydrology Report <br />Period of Record Summary of Water Quality <br />Site: 91M006 Bedrock Well, Wadge Overburden Datum: 7306.9 <br />Type <br />Parameter <br />Fraction <br />Units <br />Period of Record <br />Sample Count Average <br />Median Maximum Minimum <br />STDEV <br />FIELD <br />PH, Field <br />N <br />S.U. <br />9/30/1991 <br />4/3/2003 <br />23 <br />9.494 <br />9.75 <br />10.14 <br />7.9 <br />0.6196 <br />FIELD <br />Specific Conductivity,Field <br />N <br />UMHOS/CM <br />9/30/1991 <br />4/3/2003 <br />23 <br />1580 <br />1510 <br />2540 <br />1200 <br />351 <br />FIELD <br />Temperature, Field <br />N <br />DEG -C <br />9/30/1991 <br />4/3/2003 <br />23 <br />13.5 <br />13.4 <br />18 <br />7 <br />2.11 <br />PHYSICAL <br />PH., Lab <br />N <br />S.U. <br />5/7/1997 4/16/2015 <br />20 <br />9.92 <br />9.95 <br />10.2 <br />9.5 <br />0.2009 <br />PHYSICAL <br />Specific Conductivity,Lab <br />N <br />UMHOS/CM <br />9/30/1991 <br />4/16/2015 <br />31 <br />1487 <br />1410 <br />2780 <br />1190 <br />360.1 <br />PHYSICAL <br />Total Dissolved Solids, Lab <br />N <br />MG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />887.2 <br />800 <br />1996 <br />670 <br />295.9 <br />CATION <br />Calcium <br />D <br />MG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />4.8 <br />1.6 <br />76 <br />0.72 <br />13.4 <br />CATION <br />Magnesium <br />D <br />MG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />3.4 <br />11 <br />58 <br />0.03 <br />10 <br />CATION <br />Sodium <br />D <br />MG/L <br />9/30/1991.4/16/2015 <br />31 <br />335 <br />324 <br />740 <br />77 <br />106 <br />ANION <br />Alkalinity,Bicarbonate as CaCO3 <br />N <br />MG/L <br />9/30/1991 <br />4/16/2015 <br />33 <br />435.1 <br />334.8 <br />1459 <br />201 <br />284.1 <br />ANION <br />Alkalinity,Carbonate as CaCO3 <br />N <br />MG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />185.7 <br />220 <br />278 <br />0 <br />79.07 <br />ANION <br />Sulfates <br />N <br />MG/L <br />9/30/1991 <br />4/16/2015 <br />33 <br />117.61 <br />33 <br />1083 <br />5 <br />212.5 <br />PRIMARY <br />Cadmium <br />D <br />UG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />1 <br />0.51 <br />5 <br />0.1 <br />1 <br />PRIMARY <br />Lead <br />D <br />UG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />140 <br />90 <br />750 <br />20 <br />150 <br />PRIMARY <br />Mercury <br />D <br />UG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />0.4 <br />0.2 <br />1 <br />0.1 <br />0.4 <br />PRIMARY <br />Selenium <br />D <br />UG/L <br />9/30/1991 <br />4/16/20151 <br />31 <br />2 <br />1 <br />10 <br />0.1 <br />2 <br />SECONDARY <br />Iron <br />D <br />UG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />3281 <br />200 <br />1400 <br />20 <br />379 <br />SECONDARY <br />Manganese <br />D <br />UG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />17 <br />10 <br />90 <br />5 <br />17 <br />TRACE <br />Molybdenum <br />D <br />UG/L <br />9/30/1991 <br />4/16/2015 <br />31 <br />40 <br />50 <br />70 <br />10 <br />20 <br />NUTRIENT <br />NO3-NO2 Nitrogen <br />N <br />MG/L <br />9/30/1991,4/16/2015, <br />31 <br />0.075 <br />0.06 <br />0.33 <br />0.02 <br />0.068 <br />NUTRIENT <br />Phosphorus, Orthophosphorus <br />I MG/L <br />9/30/199114/16/20151 <br />30 <br />0.16 <br />0.133 <br />0.7841 <br />0.005 <br />0.142 <br />2/27/2018 I:\Environmental\CDMG - CDRMS\AHR\2017\AHR ALL FINAL Tables91M006 <br />