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Parameters <br />No. of <br />Samples <br />High <br />Date <br />Low <br />Date <br />Average <br />Units <br />Wet Chemistry <br />Bicarbonate as CaCO3 <br />61 <br />2230.00 <br />1/25/95 <br />170.00 <br />6/12/90 <br />850.41 <br />mg /I <br />Carbonate as CaCO3 <br />61 <br />714.00 <br />7/12/95 <br />9.00 <br />4/27/04 <br />104.65 <br />mg /I <br />Total Alkalinity as CaCO3 <br />61 <br />2340.00 <br />12/16/94 <br />477.00 <br />4/16/02 <br />944.77 <br />mg /I <br />Bromide <br />17 <br />0.10 <br />1/31/91 <br />0.08 <br />7/31/09 <br />0.10 <br />mg /I <br />Cation -Anion Balance <br />58 <br />16.20 <br />1/9/01 <br />-8.70 <br />1/31/00 <br />0.96 <br />ok <br />Sum of Anions <br />58 <br />73.60 <br />3/17/95 <br />11.49 <br />2/24/92 <br />27.60 <br />meq /I <br />Sum of Cations <br />58 <br />72.50 <br />4/22/11 <br />11.50 <br />9/27/90 <br />27.95 <br />meq /I <br />Chemical Oxygen Demand <br />14 <br />70.00 <br />10/25/05 <br />10.00 <br />10/22/02 <br />28.33 <br />mq /I <br />Chloride <br />61 <br />1010.00 <br />3/17/95 <br />10.00 <br />1/31/91 <br />323.46 <br />mg /I <br />Conductivity, Lab <br />59 <br />7020.00 <br />1/3/95 <br />1075.00 <br />1/31/91 <br />2837.37 <br />pmhos <br />Fluoride <br />61 <br />21.00 <br />2/24/98 <br />1.40 <br />4/27/04 <br />12.88 <br />mg /I <br />Hardness as CaCO3 <br />61 <br />97.00 <br />4/22/11 <br />13.00 <br />9/27/90 <br />35.82 <br />mg /I <br />Nitrate as N, dissolved <br />17 <br />3.99 <br />1/31/91 <br />0.02 <br />9/27/90 <br />0.83 <br />mg /I <br />Nitrate /Nitrite as N, dissolved <br />17 <br />4.00 <br />1/31/91 <br />0.02 <br />9/27/90 <br />0.83 <br />mg /I <br />Nitrite as N, dissolved <br />17 <br />0.02 <br />9/27/90 <br />0.01 <br />1/31/91 <br />0.01 <br />mg /I <br />Nitrogen, Ammonia <br />17 <br />1.11 <br />10/4/11 <br />0.08 <br />9/27/90 <br />0.54 <br />mg /I <br />Nitrogen, Organic <br />17 <br />0.50 <br />10/29/01 <br />0.10 <br />1/31/91 <br />0.31 <br />mg /I <br />Nitrogen, Total Kjeldahl <br />17 <br />1.60 <br />10/4/11 <br />0.04 <br />9/27/90 <br />0.79 <br />mg /I <br />pH, lab <br />59 <br />9.20 <br />6/17/11 <br />6.30 <br />7/25/02 <br />8.54 <br />units <br />Phosphate, total <br />14 <br />0.31 <br />9/22/10 <br />0.06 <br />6/28/07 <br />0.12 <br />mg /I <br />Phosphorus, total <br />17 <br />0.16 <br />9/28/06 <br />0.02 <br />6/28/07 <br />0.05 <br />mg /I <br />SAR in Water <br />57 <br />147.00 <br />3/17/95 <br />25.30 <br />8/4/08 <br />45.45 <br />none <br />Sulfate <br />61 <br />110.00 <br />1/31/00 <br />10.00 <br />10/4/11 <br />77.53 <br />mg /I <br />Sulfide <br />18 <br />12.00 <br />10/19/00 <br />0.07 <br />10/22/02 <br />3.95 <br />mg /I <br />Total Dissolved Solids <br />61 <br />4220.00 <br />1/3/95 <br />700.00 <br />7/21/94 <br />1684.51 <br />mg /I <br />Conductivity, Field <br />54 <br />6950.00 <br />3/17/95 <br />1170.00 <br />2/24/92 <br />2979.48 <br />pmhos <br />pH, Field <br />52 <br />9.50 <br />7/18/00 <br />7.50 <br />4/14/05 <br />8.43 <br />units <br />temperature ( °C), Field <br />21 <br />24.40 <br />7/28/11 <br />15.76 <br />4/22/11 <br />20.39 <br />( °C) <br />Water Level, Field <br />0 <br />U <br />n/a <br />U <br />n/a <br />U <br />Ft. <br />Parameters <br />No. of <br />Samples <br />High <br />Date <br />Low <br />Date <br />Average <br />Units <br />Metals <br />Aluminum, dissolved <br />17 <br />0.05 <br />6/12/90 <br />0.04 <br />6/28/07 <br />0.05 <br />mg /I <br />Arsenic, dissolved <br />17 <br />U <br />9/15/07 <br />U <br />10/26/04 <br />U <br />mg /I <br />Barium, dissolved <br />17 <br />0.78 <br />9/22/10 <br />0.02 <br />1/31/91 <br />0.25 <br />mg /I <br />Beryllium, dissolved <br />17 <br />0.01 <br />6/12/90 <br />0.01 <br />6/12/90 <br />0.01 <br />mg /I <br />Boron, dissolved <br />61 <br />1.70 <br />1/3/95 <br />0.25 <br />6/12/90 <br />0.58 <br />mg /I <br />Cadmium, dissolved <br />17 <br />0.01 <br />6/12/90 <br />0.01 <br />9/27/90 <br />0.01 <br />mg /I <br />Calcium, dissolved <br />59 <br />9.00 <br />4/22/11 <br />2.90 <br />7/12/95 <br />4.75 <br />mg /I <br />Chromium, dissolved <br />17 <br />0.02 <br />9/28/06 <br />0.01 <br />6/12/90 <br />0.01 <br />mg /I <br />Copper, dissolved <br />17 <br />0.01 <br />6/12/90 <br />0.01 <br />6/12/90 <br />0.01 <br />mg /I <br />Iron, dissolved <br />17 <br />0.11 <br />3/14/08 <br />0.02 <br />9/27/90 <br />0.05 <br />mg /I <br />Lead, dissolved <br />17 <br />0.02 <br />6/12/90 <br />0.02 <br />6/12/90 <br />0.02 <br />mg /I <br />Lithium, dissolved <br />17 <br />0.28 <br />9/22/10 <br />0.01 <br />6/12/90 <br />0.14 <br />mg /I <br />Magnesium, dissolved <br />61 <br />18.00 <br />4/22/11 <br />2.00 <br />6/12/90 <br />6.03 <br />mg /I <br />Manganese, dissolved <br />17 <br />0.08 <br />10/4/11 <br />0.01 <br />9/22/10 <br />0.02 <br />mg /I <br />Mercury, dissolved <br />17 <br />U <br />10/30/03 <br />U <br />6/12/90 <br />U <br />mg /I <br />Molybdenum, dissolved <br />17 <br />0.05 <br />6/12/90 <br />0.02 <br />9/15/07 <br />0.04 <br />mg /I <br />Nickel, dissolved <br />17 <br />0.02 <br />6/12/90 <br />0.02 <br />6/12/90 <br />0.02 <br />mg /I <br />Potassium, dissolved <br />61 <br />5.00 <br />3/17/95 <br />0.40 <br />7/18/00 <br />0.96 <br />mg /I <br />Selenium, dissolved <br />17 <br />U <br />6/12/90 <br />U <br />6/12/90 <br />U <br />mg /I <br />Silica, dissolved <br />61 <br />16.00 <br />2/24/98 <br />7.90 <br />6/17/11 <br />13.04 <br />mq /I <br />Sodium, dissolved <br />61 <br />1800.00 <br />1/25/95 <br />259.00 <br />6/12/90 <br />666.66 <br />mq /I <br />Strontium, dissolved <br />61 <br />4.26 <br />4/22/11 <br />0.21 <br />4/27/04 <br />1.31 <br />mg /I <br />Vanadium, dissolved <br />17 <br />0.01 <br />6/12/90 <br />0.01 <br />6/12/90 <br />0.01 <br />mg /I <br />Zinc, dissolved <br />17 <br />0.02 <br />6/28/07 <br />0.01 <br />6/12/90 <br />0.01 <br />mg /I <br />1 <br />Daub & Associates, Inc. <br />Table 15: 90 -1 Annual A- Groove Aquifer <br />29 NSI Annual Report 2010 <br />