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:-L <br />8.3 <br />0.1 <br />0.2 <br />8.4 <br />8.2 <br />1;1�40 <br />2/12/14 <br />,l Lab'Cond. (!!O!ko cm <br />1,501 <br />827 <br />1,789 <br />2,370 <br />581 <br />5127/14 <br />5/23/16 <br />TDS (mg/1) <br />1,136 <br />706 <br />1,503 <br />1„860 <br />357 <br />5/27/14 <br />5/23/16 <br />Sulfa (mg4) <br />653 <br />467 <br />987 <br />1,130 <br />143 <br />5/27/14 <br />5/23/16 <br />Calcium (mg/1) <br />194 <br />107 <br />249 <br />320 <br />71 <br />2/12/14 <br />5/23/16 <br />Iron (tot rec ug/1) <br />873 <br />1,484 <br />3,740 <br />3,870 <br />130 <br />11/25/13 <br />5/26/16 <br />Magnesium (mg/1) <br />98 <br />69 <br />146 <br />169 <br />23 <br />5/27/14 <br />5/26/16 <br />Sodium (mg/1) <br />26 <br />17 <br />40 <br />50 <br />9 <br />5/27/14 <br />5/23/16 <br />SW -N216 <br />Parameter Mean Std Range Max. Min. Max at Min at <br />dev <br />Lab pH <br />8.1 <br />0.2 <br />0.5 <br />8.3 <br />7.8 <br />8/11/12 <br />11/17/14 <br />Lab Cond. (umhos/cm) <br />1,681 <br />727 <br />2,026 <br />2,810 <br />784 <br />2/12/15 <br />5/29/13 <br />TDS (mg/1) <br />1,433 <br />808 <br />2,144 <br />2,660 <br />516 <br />3/27/12 <br />5/29/13 <br />Sulfate (mg/1) <br />910 <br />612 <br />1,640 <br />1,880 <br />240 <br />2/11/16 <br />5/29/13 <br />Calcium (mg/1) <br />262 <br />130 <br />348 <br />453 <br />105 <br />3/20/12 <br />5/29/13 <br />Iron (tot rec ug/1) <br />1,476 <br />698 <br />3,010 <br />3,580 <br />570 <br />2/6/17 <br />5/28/15 <br />Magnesium (mg/1) <br />104 <br />63 <br />176 <br />211 <br />35 <br />3/20/12 <br />5/29/13 <br />Sodium (mg/1) <br />23 <br />10 <br />26 <br />37 <br />11 <br />3/20/12 <br />5/29/13 <br />A review of the water year data indicates minimum levels for sulfate and calcium occurred at <br />SW -N202 and a minimum for sulfate also occurred at SW -N208. No maximums at any of the <br />sampling locations on Meehan Draw occurred during the water year. As shown on the graphs for <br />SW -N202, SW -N207, and SW -N208 all indicator parameters indicates that up gradient and <br />drown gradient sampling results are tending to track in in a similar manner. Sampling sites SW - <br />N215 and SW -N216 indicates that the up gradient condition is decreasing while the down <br />gradient results are slight elevated but leveled out. Sampling results indicate normal seasonal <br />fluctuations also including influences by annual irrigation. <br />6 1 P a g e <br />