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i• <br />Lupton Lakes Sand and Gravel Mine - Ft. Lupton, Colorado <br />Water Quality Monitoring <br />r~n„nriwatar n„ality mnnitnrinn as required by the Division of Minerals and Geology Permit #M-2004-078 <br />• <br /> Ilmlts by CRMW-09 <br /> Parameters Units CDPHE'~2 Oct-05 Nov-OS Dec-05 Apr-O6 Jul-06 Dec-06 <br />m Arsenic -Total' n,giL o.ot <br />R <br />~ <br />Fecal Coliform n,pnllUli ABSENT <br /> <br />----- <br />---- <br /> <br />----- <br /> <br />----- <br /> <br />----- <br />---- <br />3 m~ <br />1° <br />E c <br />" <br />Fluoride <br />~ngrr. <br />a ----- 0.85 <br />--°- <br />----- ----- 0.8G <br />_ <br />~` ~ ---- <br />a ~ <br />y <br />Mercur mg.'L 0.002 <br />----- ---- <br />----- ----- ----- <br />~ Nitrate-N n,glL ~o ----- U ---- ---- ---- U <br />m Chloride mgr'L 250 ----- 225 ___-- ___-- ___-- 256 <br />~ Iron -Total' mglL 0.3 ----- 0.85 ___-- ___-- ___-- 5.5 <br />O C pH units 6.5 - s.5 ----- 7.49 ___-- ___-- ___-- 7.21 <br />U j~ <br />~ ~ <br />Sulfate <br />n,g'L <br />250 <br />----- <br />135 <br />___-- <br />___-- <br />___-- <br />181 <br />~ Total Dissolved Solids mglL SOO ----- 1080 ---- ---- ---- ~ 2 %0 <br /> Bicarbonate n,g/L --- ----- 632 ---- ---- ---- 640 <br /> Calcium -Total n,g;L ---- ----- 130 ___-- ___-- ___-- 190 <br />m <br />°' <br />Carbonate <br />~„g/L <br />--- <br />----- <br />U <br />----- <br />----- <br />----- <br />U <br /> <br />~ nesium -Total.' <br />Ma On <br />L ---- ----- 28 ----- ----- ----- 39 <br />~o <br />a g <br />Sodium - Total3 g <br />mglL <br />- <br />----- <br />160 <br />___-- <br />__-- <br />___-- <br />180 <br />Ta <br />~ <br />Total Suspended Solids <br />rr,g/L <br />---- <br />----- <br />72.3 <br />___-- <br />__--- <br />----- <br />178 <br /> <br />o <br />.a Total Phosphorus n,g/L <br />~ - NIA <br />----- <br />----- <br />----- ---- <br />Q Turbidity NTU ---- <br />--- <br />40.2 <br />----- <br />----- <br />----- <br />74 <br /> Total Fxtr;,r~t~~hle H~~diocarbons <br />r inq~'L <br /> <br />- <br /> <br />---- <br /> <br />----- ---- ---- --° ---- ---- <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 />2 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 />• <br />