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GW -N39 and GW -N40 <br />GW -N39 monitors the alluvial aquifer which represents the up gradient condition on Calamity <br />Draw. GW -N40 monitors the alluvial aquifer which represents the down gradient condition on <br />Calamity Draw. <br />Summary of the indicator parameters for each well are provided as follows: <br />TD8mgl1) <br />2,633 <br />175 <br />. <br />''. <br />Mean <br />9/4/02 <br />-. Rana <br />g <br />Sulfft(mgll) <br />Min. <br />135 <br />Min at <br />2,020 <br />1,260 <br />9/15102 <br />5/18/16 <br />Calcium (mg/1) <br />609 <br />33 <br />152 <br />687 <br />535 <br />8/19/11 <br />9/15/04 <br />Iron (tot rec ug/1) <br />22,182 <br />4,188 <br />14,900 <br />30,400 <br />7.5 <br />0.3 <br />1.5 <br />Manganese (mg/1) <br />6.4 <br />..7/26/1' � <br />8/16/02 <br />11.7 <br />2,847 <br />213 <br />910 <br />3,260 <br />2,350 <br />- 3/13/05 <br />8/10/16 <br />TD8mgl1) <br />2,633 <br />175 <br />950 <br />3,230 <br />2,280 <br />9/4/02 <br />5/18/16 <br />Sulfft(mgll) <br />1,595 <br />135 <br />760 <br />2,020 <br />1,260 <br />9/15102 <br />5/18/16 <br />Calcium (mg/1) <br />609 <br />33 <br />152 <br />687 <br />535 <br />8/19/11 <br />9/15/04 <br />Iron (tot rec ug/1) <br />22,182 <br />4,188 <br />14,900 <br />30,400 <br />15,500 <br />5/21/13 <br />3/23/10 <br />Manganese (mg/1) <br />9.6 <br />1.1 <br />4.7 <br />11.7 <br />7.0 <br />3/8/05 <br />2/9/16 <br />Sodium (mg/1) <br />39 <br />7 <br />33 <br />64 <br />31 <br />3/9/05 <br />2/9/16 <br />Magnesium (mg/1) <br />104 <br />18 <br />99 <br />174 <br />75 <br />8/30/02 <br />2/9/16 <br />A review of the water year data indicates one minimum for calcium was recorded at GW -N40. <br />No other maximum or minimum values were recorded during the water year for ether monitoring <br />location on Calamity Draw. As shown on the graphs for indicator parameters, in general both <br />the up gradient and down gradient monitoring locations trend the same. Sampling results <br />indicate normal seasonal fluctuations also including influences by annual irrigation. <br />121Page <br />GW -N40 <br />Parameter <br />Mean <br />Std <br />Range <br />Max. <br />Min. <br />Max at <br />Min at <br />dev <br />Lab pH <br />7.8 <br />0.3 <br />1.3 <br />8.2 <br />6.9 <br />11/21/09 <br />8/16/02 <br />Lab Cond. (umhos/cm) <br />3,086 <br />3051,740 <br />_ <br />4,320 <br />2,580 <br />8/11/16 <br />2/17/12 <br />TDS (mg/1) <br />2,854 <br />353 <br />2,580 <br />4,810 <br />2,230 <br />8/11/16 <br />12/17/09 <br />Sulfate (mg/1) <br />1,817 <br />236 <br />1,690 <br />3,080 <br />1,390 <br />8/11/16 <br />12/1/09 <br />Calcium (mg/1) <br />508 <br />61 <br />277 <br />650 <br />373 <br />3/19/03 <br />7/26/17 <br />Iron (tot rec u ) <br />2,650 <br />5,106 <br />25,800 <br />26,000 <br />200 <br />11/22/10 <br />11/21/11 <br />_ <br />Manganese (mg/1) <br />2.15 <br />_ <br />0.71 <br />2.9 <br />3.16 <br />0.26 <br />5/19/15 <br />9/17/05 <br />m <br />100 <br />56 <br />418 <br />468 <br />50 <br />8/11/16 <br />11/18/11 <br />_Sodium_ <br />Magnesium (mg/1) <br />187 <br />45 <br />306 <br />422 <br />166 <br />8/11/16 _ <br />3/19/02 <br />A review of the water year data indicates one minimum for calcium was recorded at GW -N40. <br />No other maximum or minimum values were recorded during the water year for ether monitoring <br />location on Calamity Draw. As shown on the graphs for indicator parameters, in general both <br />the up gradient and down gradient monitoring locations trend the same. Sampling results <br />indicate normal seasonal fluctuations also including influences by annual irrigation. <br />121Page <br />