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Tuttle Draw — Data for sites SW -NI (up gradient site) and SW -N3 have been complied and are <br />shown on the summary tables below and graphically. Summary tables for indicator parameters <br />are provide below for each site and include data from 2008 to the end of September of 2017 if <br />available. <br />,1'.. H:.'i.`, -.. fTi'ik :,{y�y[ W - <br />..; 7V4 "-• i`.ya ;'�`T`L,.s'�F: ''} ;.Y �A' a <br />a i• �iY': - r�x;. -" - _ t' ,"l.., <br />.f5'i� 2,•4 kfi;'-" 'r.h*.f.s <br />^ k.4't '4: "4t..� e;'..l �v: <br />i l,Fry ~r; ,i -`v ,.t �, .p;'�1 .^-�r.: SC.j`,+c._ ^fr 3.. <br />;,= <' <br />Mean <br />1 t <br />Range <br />,:IkII <br />Min. <br />::: <br />Min at <br />F <br />2,818 <br />3,640 <br />822 <br />2/10/15 <br />5/23/16 <br />TDS (mg/1) <br />1,678 <br />LabpH ` <br />8.3 <br />0.1 <br />0.7 <br />8,S <br />7.8 <br />2/111 <br />9/26/12 <br />Lab Con& (umkos/ctn) <br />980 <br />651 <br />2,541 <br />2,910 <br />369 <br />9/26/12 <br />8/10/10 <br />TDS (mg/1) <br />716 <br />583 <br />2,475 <br />2,690 <br />215 <br />9/26/12 <br />5/16/17 <br />Sulfate (mg/!) <br />349 <br />356 <br />1,630 <br />1,700 <br />70 <br />9/26/12 <br />5/16/17 <br />Calcium (mg/1) <br />125 <br />94 <br />446 <br />496 <br />50 <br />9/26/12 <br />5/16/17 <br />Iron (tot rec ug/1) <br />1,353 <br />1,586 <br />7,320 <br />7,500 <br />180 <br />8/12/10 <br />11/15/16 <br />Magnesium (mg/1) <br />59 <br />53 <br />194 <br />204 <br />10 <br />9/26/12 <br />8/18/16 <br />Sodium (mg/1) <br />22 <br />17 <br />44 <br />49 <br />6 <br />2/23/11. <br />8/18/15 <br />SW -N3 <br />Parameter Mean Std Range Max. Min. Max at Min at <br />dev <br />Lab pH <br />8.2 <br />0.1 <br />0.5 <br />8.6 <br />8.1 <br />9/4/08 <br />8/10/10 <br />Lab Cond. (umhos/cm) <br />1,936 <br />985 <br />2,818 <br />3,640 <br />822 <br />2/10/15 <br />5/23/16 <br />TDS (mg/1) <br />1,678 <br />1,059 <br />2,901 <br />3,440 <br />539 <br />2/10/15 <br />5/23/16 <br />Sulfate (mg/1) <br />1,028 <br />710 <br />1,940 <br />2,220 <br />280 <br />2/10/15 <br />5/23/16 <br />Calcium <br />257 <br />137 <br />378 <br />483 <br />105 <br />11/174/14 <br />5/23/16 <br />(toc rec ug/1) <br />1,140 <br />1,124 <br />4_,450_4,670 <br />8/10/10_ <br />5/14/08 <br />_Iron <br />Magnesium (mg/1) <br />123 <br />_ <br />83 <br />225 <br />2591 <br />_130 <br />34 <br />—11/17/14 <br />5/23/16 <br />Sodium (mg/1) <br />77 <br />58 <br />197 <br />212 <br />15 <br />2/18/12 <br />5/23/16 <br />A review of the water year data indicates several minimum levels for TDS and Calcium, <br />occurred at SW -N1. No other minimum or maximums occur for the indicator parameters at <br />these sampling locations. As shown on the graphs for indicator parameters, both the up gradient <br />and down gradient locations tend to track the same. Sampling results indicate normal seasonal <br />fluctuations also including influences by annual irrigation. <br />4 1 P a g e <br />