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OB-4
<br /> Summary-Data Table
<br /> Groundwater Nitrate as
<br /> Elevation Temp. Field pH Field EC Field Turbidity Lab pH Lab EC Lab TDS TKN Nitrogen
<br /> Graphed Date (FT.,MSL) (Degrees C) (pH Units) (umhos/cm) (NTUs) (pH Units) (umhos/cm) (mg/L) (mg/L) (mg/L)
<br /> January 26,2005 38.59 17.6 7.17 2,190 11.30 7.20 2,200 1,400 <0.10
<br /> April 18,2005 37.53 18.1 7.12 2,150 44.70 7.10 2,200 1,400 <0.10
<br /> July 11,2005 40.66 20.3 7.16 2,540 150.00 7.30 2,200 1,500 0.88
<br /> October 11,2005 39.37 18.6 7.12 1,874 114.00 7.00 1,800 1,200 0.62
<br /> January 25,2006 48.57 16.9 7.01 3,130 291.00 7.00 2,900 1,700 1.3
<br /> April 10,2006 50.13 17.0 6.68 3,370 6.84 7.20 5,900 4,130 2.3
<br /> July 17,2006 45.23 19.2 7.30 4,000 11.20 7.10 4,200 2,700 0.48
<br /> October 16,2006 43.96 17.4 7.07 2,849 5.47 7.42 2,600 1,800 0.9
<br /> February 19,2007 42.90 17.4 7.14 2,783 1.48 7.57 2,700 1,900 <0.88
<br /> April 23,2007 42.54 18.5 6.93 2,842 4.64 7.36 2,860 1,800 0.38
<br /> July 9,2007 41.82 18.5 7.06 2,284 28.40 7.31 2,840 1,800 1.5
<br /> October 15,2007 39.41 18.0 6.92 2,179 85.40 7.36 2,900 2,000 1.6
<br /> January 28,2008 42.77 14.1 7.00 2,588 14.80 7.28 2,470 2,000 <0.88
<br /> April 21,2008 43.50 17.0 7.02 1,696 39.20 7.42 1,910 1,200 <0.44
<br /> July 14,2008 41.62 20.6 6.93 1,020 >200 6.96 1,370 950 <0.44
<br /> October 13,2008 40.91 16.9 6.86 1,516 43.40 7.49 1,520 1,000 <0.44
<br /> January 12,2009 40.62 16.2 7.03 1,362 160.00 7.38 1,450 940 0.007
<br /> April 9,2009 41.10 16.8 7.21 1,665 36.70 7.29 1,840 1,200 <0.10
<br /> July 20,2009 40.39 17.5 7.12 1,664 11.60 7.54 1,680 1,100 0.24
<br /> October 5,2009 40.93 15.4 7.28 1,805 6.30 7.54 1,900 1,400 0.026
<br /> January 11,2010 40.15
<br /> April 5,2010 42.18 17.1 7.01 2,438 6.70 7.44 2,420 1,600 0.32
<br /> July 19,2010 40.75
<br /> October 11,2010 40.40 17.1 7.43 1,708 8.60 7.39 1,690 1,200 0.045
<br /> January 10,2011 41.79
<br /> April 4,2011 43.57 17.4 7.32 2,050 8.12 7.51 2,250 1,400 0.16
<br /> July 11,2011 45.81
<br /> October 13,2011 46.50 17.4 7.18 2,167 7.58 2,520 1,700 0.33
<br /> January 10,2012 42.64
<br /> April 9,2012 43.04 17.6 7.33 2,539 71.8 7.38 2,630 1,800 <0.20
<br /> July 9,2012 42.49
<br /> October 1,2012 40.60 17.4 7.00 2,340 68.0 7.33 2,720 1,900 2.0 0.21
<br /> January 7,2013 41.43 17.4 7.41 1,957 45.8 7.34 2,710 1,800 0.24
<br /> April 9,2013 41.80 18.0 7.02 2,758 54 7.59 2,720 1,800 0.4
<br /> July 8,2013 41.13 17.6 7.39 2,858 29.9 7.54 2,780 2,000 0.1
<br /> October 7,2013 40.05 17.4 7.06 2,709 19.3 7.42 2,860 1,900 1.5 1.3
<br /> January 6,2014 39.57 17.4 7.74 2,641 395 7.44 2,840 1,900 0.74
<br /> April 7,2014 40.30 17.9 7.07 2,710 88 7.44 2,770 1,900 0.55
<br /> July 7,2014 39.99 18.0 7.25 2,551 84.7 7.56 2,830 1,800 0.38
<br /> October 6,2014 39.11 18.0 7.06 2,354 102 7.26 2,640 1,700 1.3 0.35
<br /> January 6,2015 40.25 17.4 7.28 2,492 77.5 7.45 2,650 1,700 0.82
<br /> April 27,2015 40.75 18.5 7.30 2,649 11.76 7.62 2,720 1,600 0.7
<br /> July 13,2015 37.90 18.8 6.96 2,373 36.2 7.68 2,570 1,400 1.0
<br /> October 5,2015 37.75 18.8 7.27 2,716 >200 7.38 2,880 1,700 1.3 1.4
<br /> January 11,2016 39.15 17.8 7.22 1,820 9.41 7.54 2,520 1,600 0.74
<br /> April 4,2016 39.09 18.9 6.93 1,609 16.8 7.47 2,280 1,300 1.20
<br /> July 25,2016 39.00 19.1 7.75 2,708 60 7.84 2,760 1,500 1.30
<br /> October 10,2016 38.35 18.9 6.89 2,381 11.6 7.84 2,510 1,400 0.96 2.10
<br /> January 18,2017 41.94 18.0 7.59 2,119 13.9 7.79 2,180 1,300 1.60
<br /> April 4,2017 43.73 18.2 7.45 1,830 17.2 7.53 1,970 1,200 1.60
<br /> July 5,2017 47.84 18.8 7.13 3,043 9.37 7.54 3,200 1,900 6.70
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