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i• <br />• <br />Lupton Lakes Sand and Gravel Mine - Ft. Lupton, Colorado <br />Water Quality Monitoring <br />r_~.,~~.,~~~,arAr ~„at~t~ mnnitnrinn ac rPn,tirPd by the Division of Minerals and Geolopv Permit #M-2004-078 <br /> CRMW-16 <br /> limits by <br /> Parameters Units CDPHE''2 Oct-05 Nov-05 Dec-OS Apr-06 Jul-06 Oct-06 <br />`C1 AfSenIC - Total my!L 0.01 ---- <br />Z' ~ Fecal Coliform mpn ~ ABSENT <br /> <br />----- <br />---- <br /> <br />----- <br /> <br />----- <br /> <br />----- <br />---- <br /> 100 ml <br />f° <br />E c " <br />Fluoride <br />mglL <br />4 _____ 0.97 <br />----- <br />----- <br />----- <br />a ~ Mercur <br />Y my;L <br />- o.002 <br /> <br />----- ____ <br /> <br />----- ___-- ___-- ___ <br />~ Nitrate-N myrL 10 ----- 13.5 ---- ---- ---- • <br />d Chloride n,glL 250 ----- 12U ___-- ___-- ___-- 122 <br />~ Iron -Total n,giL 0.3 ----- u.72 ___-- ___-- ----- 5`' <br />o c ~ pH units 6.5 - 8.5 ----- 7.24 ----- ----- ----- 7.23 <br />~ c Sulfate n,y!L 250 ----- 249 ___-- ___-- ___-- 234 <br />~ Total Dissolved Solids m /L 500 ----- `~~'~~ ---- --° ---- •' ~ ' <br /> Bicarbonate mg/L -- ----- 381 ---- ---- ---- 341 <br />~' Calcium -Total mg/L -- ----- 110 _____ _-___ _____ 130 <br />d <br />~ <br />Carbonate <br />my/L <br />----- <br />----- <br />U <br />----- <br />----- <br />----- <br />U <br /> <br />`~° Magnesium -Total mg/L ----- 30 --°- 39 <br />ra <br />a <br />Sodium -Total <br />mg/L <br />---- <br />130 <br />_____ <br />140 <br />R <br />~ <br />Total Suspended Solids <br />mg/L <br />--- _____ 4700 <br />----- <br />-""-- _____ 2450 <br /> <br /> Total Phosphorus mg/L <br />- .--__ N!A <br />----- <br />----- <br />----- ---- <br />Q Turbidity NTU - ----- 1990 _____ ____ -__-- 1480 <br /> Total Extr;,rtable Hydrocarbon:>• mg/L -- '--- ---- ---- ---- ---- <br />Secondary Drinking Water Standards -Suggested Limits by CDPHE. The secondary maximum contaminant <br />levels are not enforceable, but are intended as guidelines. <br />' Colorado Department of Public Health and Environment (CDPHE) maximum contaminant level (MCL) for <br />Drinking Water. <br />z Colorado Department of Public Health and Environment (CDPHE) standards for groundwater <br />'Dissolved Metals during the Nov. 2005 Sampling Event. <br />'Laboratory results shown in RED HIGHLIGHT exceed MCL or suggested limits <br />I ' <br />