ARCHIVED REPORTS_2013 ANNUAL REPORT

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Table 4: Water Level Summary 2013 Annual Report Former Nestle USA, Inc. Facility, Ripon, CA Measured Depth to Water Calculated Groundwater Elevation Change in Groundwater Elevation Top of Casing (DTW,feet below measuring point) (feet above mean sea level) (feet above mean sea level) Well ID (TOC) Oct 2012 Jan 2013 Apr 2013 Jul 2013 Elevation Jan 7, 2013 Apr 8, 2013 Jul 8, 2013 Oct 7,2013 Jan 7, 2013 Apr 8, 2013 Jul 8, 2013 Oct 7, 2013 to to to to Jan 2013 Apr 2013 Jul 2013 Oct 2013 Municipal Wells MW-3 65.84 28 28 36 36 37.84 37.84 29.84 29.84 8 0 -8 0 MW-5 64.84 29 39 48 36 35.84 25.84 16.84 28.84 17 -10 -9 12 MW-7 72.13 34 33 36 35 38.13 39.13 36.13 37.13 1 1 -3 1 MW-9 74.85 34 35 33 36 40.85 39.85 41.85 38.85 2 -1 2 -3 MW-9mon 74.52 34 34 36 35 40.52 40.52 38.52 39.52 1 0 -2 1 MW-10 61.60 29 31 102 106 32.60 30.60 -40.40 -44.40 6 -2 -71 -4 MW-10mon 61.42 27 28 52 45 34.42 33.42 9.42 16.42 5 -1 -24 7 MW-11 64.57 28 27 26 27 36.57 37.57 38.57 37.57 0 1 1 -1 MW-12 58.08 28 29 42 34 30.08 29.08 16.08 24.08 5 -1 -13 8 MW-13 NA 33 34 100 94 NA NA NA NA 67a -1 -66a 6 MW-14 NA 85 44 86 43 NA NA NA NA 3 41a -42a 43a MW-14mon NA 45 43 48 42 NA NA NA NA 2 2 -5 6 MW-16 NA 33 36 45 40 NA NA NA NA 7 -3 -9 5 MW-18 NA 40 125 36 129 NA NA NA NA 9 -85a 89a -93a Municipal Piezometers* W-1 64.06 22.78 19.86 19.88 23.08 41.28 44.20 44.18 40.98 -0.94 2.92 -0.02 -3.20 W-2 61.94 21.06 19.80 20.00 22.52 40.88 42.14 41.94 39.42 0.84 1.26 -0.20 -2.52 W-3 56.53 17.56 18.22 17.90 18.59 38.97 38.31 38.63 37.94 0.92 -0.66 0.32 -0.69 W-4 63.93 22.88 22.40 21.60 24.02 41.05 41.53 42.33 39.91 0.04 0.48 0.80 -2.42 W-5 58.93 19.20 20.80 20.36 20.90 39.73 38.13 38.57 38.03 1.96 -1.60 0.44 -0.54 W-6 59.20 20.56 20.90 20.30 21.61 38.64 38.30 38.90 37.59 0.62 -0.34 0.60 -1.31 W-7 66.23 25.38 24.60 24.38 26.80 40.85 41.63 41.85 39.43 -0.17 0.78 0.22 -2.42 W-8 60.47 20.85 20.30 19.80 21.45 39.62 40.17 40.67 39.02 -0.03 0.55 0.50 -1.65 W-9 1 56.65 1 16.82 1 17.28 1 17.80 1 17.74 1 39.83 39.37 1 38.85 1 38.91 1 0.58 1 -0.46 1 -0.52 1 0.06 Diamond Pet Food** TH-1 71.47 31.89 32.33 38.15 36.48 39.58 39.14 33.32 34.99 NA -0.44 1 -5.82 1.67 TH-2 67.61 24.88 24.98 25.07 26.62 42.73 42.63 42.54 40.99 NA -0.10 -0.09 -1.55 TH-3 70.84 29.75 NM 30.18 31.42 41.09 NA 40.66 39.42 NA NA NA -1.24 TH-4 60.77 19.50 19.98 19.74 20.67 41.27 40.79 41.03 40.10 NA -0.48 0.24 -0.93 TH-5 61.47 NM NM NM NM NA NA NA NA NA NA NA NA TH-6 61.74 NM I NM NM NM I NA NA I NA I NA NA I NA NA I NA Page 5 of 6