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TABLE 32. WATER QUALITY IN ALLUVIAL MONITORING WELLS
<br />1998 - 2007
<br />MONITORING WELL MW5R
<br /> MW5R
<br />1120/99 MW5R MWSR
<br />2/19/99 3/25/99 MWSR
<br />4/26/99 MW5R
<br />5/27/99 MW5R
<br />6/17/99 MWSR
<br />7/28/99 MWSR
<br />9/16/99 MIN MAX MEAN MEDIAN COUNT ND % ND
<br />pH (std units) 7.4 7.7 8 8 7.6 7.6 9.6 7.4 9.6 7.99 7.7 7 0 0%
<br />°
<br />Conductivity (umhos) 539 541 507 581 369 616 600 369 616 536.1 541 7 0 0
<br />rG
<br />Total dissolved solids 326 347 330 390 232 419 410 232 419 350.6 347 7 0 0
<br />Total suspended solids <1. <1. 0 <1. <10. <10. 47.9 0 47.9 8.486 0.5 7 6 86 %
<br />total
<br />Hardness 180 180 180 180 180 1 0 0 %
<br />, n/a Na n/a 0 0 n/a
<br />Carbonate Na Na n/a 0 0 n/a
<br />Bicarbonate
<br />Dissolved
<br />Alkalinity 100 140 100 53 53 140 98.25 1~ 4 0 0%
<br />°
<br />,
<br />total
<br />Alkalinity 120 110 120 100 100 120 112.5 115 4 0 0
<br />~
<br />,
<br />Nitrate Nitrogen 1.7 1.4 0.8 3.6 0.5 2 3 0.5 3.6 1.86 1.7 7 0 0%
<br />Ammonia
<br />total 0 0 0 0 <1. <1. <1. 0 <1. 0.214 0 7 7 100%
<br />,
<br />dissolved
<br />Calcium 45 53 45 53 49.0 49 2 0 0
<br />,
<br />Calcium
<br />total 33.4 52.1 44 33.4 52.1 43.1667 44 3 0 0%
<br />,
<br />dissolved
<br />Magnesium 16 110 12.3 13.5 17.7 12.3 110 33.9 16 5 0 0
<br />,
<br />dissolved
<br />Sodium 41 30 29.8 45.7 33.3 29.8 45.7 36.0 33.3 5 0 0%
<br />°
<br />,
<br />dissolved
<br />Potassium 2.4 2.3 1.8 15.3 2.7 1.8 15.3 4.9 2.4 5 0 0
<br />~
<br />,
<br />Sulfate 140 140 120 150 48 190 230 48 230 145.43 140 7 0 0
<br />Fluoride
<br />total 0.5 0.5 0.5 0.5 0.5 1 0 0
<br />,
<br />Chloride 14 16 16 13 9 15 16 9 16 14.143 15 7 0 0%
<br />dissolved
<br />Aluminum <0.5 <0.1 <0.1 <0.5 0.150 0.15 2 2 100%
<br />,
<br />total
<br />Aluminum n/a n/a Na Na 0 0 Na
<br />°
<br />,
<br />dissolved
<br />Antimony <0.003 <0.006 <0.006 <0.006 <0.003 <0.006 0.003 0.003 4 4 100
<br />~
<br />,
<br />total
<br />Antimony Na n/a Na Na 0 0 n/a
<br />,
<br />dissolved
<br />Arsenic <0.005 <0.005 <0.005 <0.005 <0.005 0.0025 0.0025 3 3 100%
<br />°
<br />,
<br />Arsenic
<br />total <0.003 <0.003 <0.003 0.0015 0.0015 1 1 100
<br />,G
<br />,
<br />dissolved
<br />Barium <0.1 <0.1 <0.1 0.050 0.05 1 1 100
<br />°
<br />,
<br />Barium
<br />total 0.04 0.04 0.04 0.04 0.04 1 0 0
<br />,6
<br />°
<br />,
<br />dissolved
<br />Beryllium <0.002 <0.001 <0.001 <0.002 0.001 0.00075 2 2 100
<br />~
<br />, n/a Na Na n/a 0 0 n/a
<br />Beryllium, total Na n/a Na n/a 0 0 n/a
<br />Boron, total
<br />dissolved
<br />Cadmium <0.0002 <0.001 <0.0002 <0.001 0.0003 0.0003 2 2 100%
<br />, n/a Na Na Na 0 0 Na
<br />Cadmium, total
<br />dissolved
<br />Chromium <0.005 <0.005 <0.005 <0.005 0.0025 0.0025 2 2 100%
<br />, Na n/a Na n/a 0 0 n/a
<br />Chromium, total <0
<br />01 <0
<br />01 <0.01 0.005 0.005 1 1 100%
<br />Cyanide, total . .
<br />n/a Na Na n/a 0 0 Na
<br />Pf~
<br />dissolved
<br />Copper <0.02 <0.005 <0.005 <0.005 <0.005 <0.02 0.00438 0.0025 4 4 100°~
<br />, n/a n/a Na Na 0 0 Na
<br />Copper, total 0
<br />04 <0
<br />1 0.04 <0.1 0.045 0.045 2 1 50
<br />Iron, dissolved . . n/a n/a Na n/a 0 0 n/a
<br />Iron, total Na n/a Na n/a 0 0 n/a
<br />Iron, suspended n/a n/a Na Na 0 0 Na
<br />Iron, Ferrous (Fe2+) n/a Na Na Na 0 0 n/a
<br />Iron, Ferric (Fe3+) 005
<br /><0 <0
<br />005 <0.005 <0.005 <0.005 0.0025 0.0025 3 3 100°~
<br />Lead, dissolved
<br />total
<br />Lead <0.002 . . <0.002 <0.002 0.001 0.001 1 1 100°h
<br />,
<br />disc.
<br />Manganese
<br /><0.01
<br /><0.01
<br /><0.01
<br /><0.01
<br />0.005
<br />0.005
<br />2
<br />2
<br />100 %
<br />, n/a Na Na n/a 0 0 n/a
<br />Manganese, total
<br />dissolved
<br />Mercury <0.0002 <0.0002 <0.0002 0.0001 0.0001 1 1 100°~
<br />, Na n/a Na Na 0 0 n/a
<br />Mercury, total
<br />diss.
<br />Molybdenum 0.11 0.13 1.11 0.096 <0.096 1.11 0.3615 0.12 4 0 0°,6
<br />,
<br />total
<br />Mol bdenum n/a Na Na n/a 0 0 Na
<br />,
<br />dissolved
<br />Nickel <0.04 <0.01 <0.01 <0.01 <0.04 0.01 0.005 3 3 100%
<br />, n/a n/a Na Na 0 0 n/a
<br />Nickel, total n/a n/a Na n/a 0 0 Na
<br />Phosphorous
<br />dissolved
<br />Selenium <0.005 <0.01 <0.01 <0.01 <0.005 <0.01 0.00438 0.005 4 4 100 r6
<br />, Na n/a Na Na 0 0 Na
<br />Selenium, total
<br />dissolved
<br />Silver <0.0002 <0.01 <0.0002 <0.01 0.00255 0.00255 2 2 100°~
<br />, n/a Na Na Na 0 0 Na
<br />Silver, total
<br />dissolved
<br />Thallium <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.001 0.0005 4 4 100%
<br />°
<br />,
<br />dissolved
<br />Vanadium <0.01 <0.01 <0.01 <0.01 0.005 0.005 2 2 100
<br />~
<br />, Na Na Na Na 0 0 Na
<br />Thallium, total n/a Na Na n/a 0 0 Na
<br />Vanadium, total
<br />dissolved
<br />Zinc <0.005 <0.01 <0.01 <0.01 <0.005 <0.01 0.00438 0.005 4 4 100%
<br />, Na n/a Na Na 0 0 n/a
<br />Zinc, total
<br />dissolved
<br />Uranium 0.081 0.093 0.077 0.19 0.11 0.58 0.16 0.077 0.58 0.18443 0.11 7 0 0%
<br />, Na Na Na Na 0 0 Na
<br />Uranium, suspended Na Na Na n/a 0 0 n/a
<br />Uranium, total
<br />Thorium-228, dis. (pCUL; ~ 0 0 1 1 100%
<br />Thorium-230, dis. (pCUL; 0
<br />n/a 0
<br />n/a
<br />Na
<br />n/a
<br />0
<br />0
<br />Na
<br />Thorium-232, dis. Ci/L` 0 0 0
<br />00 0 1 1 100%
<br />Radium-226, dis. (pCUL) 0
<br />0
<br />4 11
<br />4 0.4 11.4 .
<br />5.9 5.9 2 0 0%
<br />Radium-226, susp. (pCUL) . . n/a Na Na n/a 0 0 Na
<br />Radium-226, total (pCUL) 56 120 56 120 88 88 2 0 0%
<br />Gross Alpha, dis. (pCUL) 99 <55 99 77 77 2 0 0~
<br />Gross Beta, dis. Ci/L 55 .
<br />NOTES: Mean end median sta°stlc calculated using one-haft the detecdon limit (72 D.L.)
<br />Results in mg/L unless otherwise Horst
<br />< =not detected M tletection limit shown ND, %ND = num°er end peroem o/non detects
<br />Page 11 of 17
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