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OB-7 <br /> Summary-Data Table <br /> Dissolved <br /> Alkalinity Hardness <br /> asas <br /> Groundwater Nitrate as Total <br /> Calcium Calcium <br /> Elevation Temp. Field pH Field EC Field Turbidity Lab pH Lab EC Lab TDS TION Nitrogen Nitrogen Boron Calcium Chloride Iron Magnesium Manganese Potassium Sodium Sulfate Bicarbonate Carbonate Carbonate Carbonate <br /> Date (FT.,MSL) (Degrees C) (pH Units) (umhos/cm) (NTUs) (pH Units) (umhoslcm) (m IL) (m IL) (mg/L) (mg/L) (m IL) (mg/L) (mg/L) (mg/L) (mgIL) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (m IL) (mg/L) <br /> January 29, 1992 39.30 16.2 7.20 2,067 <br /> May 7, 1992 35.80 17.8 7.00 1,276 <br /> August 5, 1992 36.46 17.5 7.10 1,488 <br /> October 16, 1992 34.26 17.8 6.80 2,100 <br /> January 29, 1993 39.24 20.5 6.70 1,800 <br /> July 29, 1993 36.78 19.0 6.70 2,500 8.80 7.00 2,600 1,620 0.9 373 280 365 <br /> November 18, 1993 36.27 16.0 6.80 2,450 3.90 7.10 2,600 1,640 2.2 191 370 54 4.2 289 325 580 <br /> March 9, 1994 39.51 17.0 6.50 2,250 3.50 7.00 2,380 1,520 4 344 265 300 <br /> June 9, 1994 36.25 18.0 6.50 2,350 58.60 7.60 2,580 1,700 53.2 402 238 315 <br /> September 8, 1994 37.69 19.0 6.80 2,000 5.70 7.20 2,210 1,500 21.3 287 266 350 <br /> December 16, 1994 39.35 18.0 7.00 1,600 14.10 7.40 2,000 1,320 7.5 132 238 35 4.4 264 325 460 <br /> March 1, 1995 38.67 19.0 7.00 2,050 18.80 7.20 2,050 1,350 10.6 230 258 290 <br /> June 9, 1995 38.30 21.0 7.20 2,100 2.00 7.70 1,330 1,330 7.5 136 244 38 4.3 246 307 471 <br /> September 8, 1995 36.24 20.5 7.00 1,800 2.70 7.40 1,930 1,250 18.6 234 224 299 <br /> November 17, 1995 38.26 19.5 6.90 2,000 0.90 7.50 1,930 1,270 12.8 132 223 36 3.9 233 278 484 <br /> February 14, 1996 39.41 20.0 7.20 1,200 7.30 1,280 800 6.6 138 157 177 <br /> May 9, 1996 43.92 19.0 7.30 1,400 9.50 7.50 1,560 1,000 5.8 178 196 233 <br /> July 11,1996 37.71 22.0 7.40 2,100 23.00 7.50 2,150 1,360 9.7 332 273 251 <br /> November 14,1996 37.71 20.0 6.40 1,100 21.30 7.50 1,400 910 9.7 78 168 19.6 6.2 200 210 293 <br /> March 7,1997 53.25 18.0 7.50 1,350 1.00 7.90 1,140 720 30.6 107 136 161 <br /> May 30,1997 42.37 21.0 7.20 1,300 0.70 7.40 1,250 800 44.3 138 117 158 <br /> September 5,1997 40.58 19.5 7.50 970 7.42 987 623 17.7 70.9 127 124 <br /> December 18,1997 38.89 16.0 7.30 865 5.40 7.29 904 549 4.67 52 62.6 14 6 114 107 290 <br /> March 6,1998 49.41 18.0 7.10 750 1.40 7.34 990 647 4.29 75.8 132 129 <br /> June 11,1998 44.59 19.0 7.10 860 10.80 7.16 1,130 730 22.3 115 81 136 <br /> September 18, 1998 42.28 20.0 7.20 1,250 0.46 7.29 1,320 767 4.17 142 132 143 <br /> December 10, 1998 40.98 17.1 7.11 1,500 3.26 7.15 1,180 814 6.47 99 182 30 4 154 181 348 <br /> March 18, 1999 46.10 21.8 6.60 1,800 13.82 7.16 1,300 899 20.9 11.2 111 12.7 <br /> June 25, 1999 41.01 17.4 6.81 1,320 6.21 7.16 1,280 953 14.3 161 136 193 <br /> September 17, 1999 37.89 19.2 7.30 1,191 7.33 7.17 1,520 1,070 4.98 191 187 249 <br /> November 11, 1999 39.34 19.4 7.23 1,534 0.80 7.15 1,590 1,060 10.4 128 182 34 4 202 247 398 <br /> February 1Q 2000 38.59 23.6 7.08 1,426 7.48 7.49 1,460 1,050 10.9 172 183 220 <br /> May 24,2000 42.24 21.5 6.55 1,665 4.60 7.21 1,600 1,110 15.7 208 196 169 <br /> August 10,2000 37.76 21.1 7.37 1,259 5.90 7.15 1,370 947 22.1 169 164 168 <br /> October 12,2000 37.49 17.2 7.21 1,466 4.93 7.17 1,340 870 4.61 100 160 28 3 179 138 420 <br /> January 10,2001 39.38 16.7 6.93 1,196 3.02 7.52 1,290 887 6.51 174 159 156 <br /> April 11,2001 39.19 19.8 7.12 1,297 4.06 7.17 1,350 811 3.51 85 136 23 2 185 48.2 400 <br /> July 12,2001 38.35 21.3 7.26 1,412 90.00 7.20 1,440 859 3.74 152 170 96 <br /> October 10,2001 35.94 20.7 7.05 1,740 4.50 7.13 1,460 852 3.16 150 238 120 <br /> January 23,2002 41.81 15.1 7.15 1,361 14.00 7.10 1,430 874 1.83 156 169 128 <br /> May 8,2002 38.81 22.3 6.89 1,371 2.60 6.99 1,410 831 1.83 168 169 78 <br /> July 24,2002 40.50 19.8 6.76 1,512 11.30 923 9.02 212 194 77.5 <br /> October 9,2002 37.52 21.2 7.08 1,210 2.88 7.18 1,590 930 7.44 110 204 31 3 166 104 458 <br /> January 30,2003 42.16 17.2 7.07 1,451 4.72 7.35 1,580 878 10.10 164 205 125 <br /> May 1,2003 39.71 20.3 6.86 1,490 46.70 7.02 1,550 876 6.10 88 159 24 5 158 125 427 <br /> July 23,2003 38.82 23.9 7.05 1,316 0.10 7.23 1,360 798 5.25 130 197 86 <br /> October 30,2003 40.31 22.0 7.09 1,415 2.50 7.14 1,520 886 14.10 156 175 129 <br /> January 22,2004 40.09 18.5 6.66 1,344 3.20 7.20 1,510 911 2.24 155 156 120 <br /> April 15,2004 39.11 18.1 7.03 1,352 5.10 7.32 1,430 866 7.03 162 184 112 <br /> July 15,2004 38.65 21.6 7.03 1,385 0.00 7.23 1,430 862 6.66 166 156 113 <br /> October 14,2004 37.71 21.3 7.02 1,466 0.20 7.20 1,430 885 9.08 99 156 26 6 168 110 439 <br /> January 26,2005 39.05 20.2 7.01 1,149 40.60 7.00 1,200 770 8.5 120 130 99 <br /> April 18,2005 37.67 21.1 7.08 1,447 53.60 7.10 1,500 930 13 150 180 140 <br /> July 11,2005 42.54 21.5 7.04 1,428 6.70 7.20 1,500 950 13 150 180 120 <br /> October 11,2005 39.75 21.1 7.16 1,460 7.13 6.80 1,400 910 13 110 120 30 <5.0 190 150 370 <br /> January 25,2006 50.15 18.8 7.09 1,480 6.99 7.10 1,400 820 15 160 120 140 <br /> April 10,2006 51.30 19.5 6.85 1,240 2.25 7.40 2,000 1,400 5.7 180 240 150 <br /> July 17,2006 45.19 21.4 7.34 2,429 0.98 7.10 2,200 1,300 14 240 250 210 <br />