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GROUNDWATER OBSERVATION DATA SHEETS RIVERVIEW RESOURCE <br /> Aggregate Industries <br /> WELL NUMBER MW-3 <br /> Depth Measured PVC Rim Ground Water Depth Below Difference from Notes <br /> Date Time (PVC rim to water) Elevation Elevation Elevation Original Ground Historic Levels Plant area was actually being dewatered at least <br /> (ft) (ft) (ft) (ft) (ft) (ft) intermittently July 2010 on until noted otherwise <br /> 7/14/2016 8:09 15.70 4725.46 4723.38 4709.76 13.62 (1.70) No dewatering. <br /> Resumed dewatering on E of Cell 3 8/15/16 <br /> 8/16/2016 9:05 14.30 4725.46 4723.38 4711.16 12.22 (0.70) (flows to neighbors &to now isolated S pond). <br /> 9/16/2016 9:19 15.00 4725.46 4723.38 4710.46 12.92 (1.30) <br /> 10/24/2016 8:45 16.20 4725.46 4723.38 4709.26 14.12 (2.20) <br /> 11/9/2016 8:41 16.60 4725.46 4723.38 4708.86 14.52 (2.40) <br /> 12/16/2016 8:32 17.40 4725.46 4723.38 4708.06 15.32 (4.50) <br /> 1/12/2017 8:59 17.80 4725.46 4723.38 4707.66 15.72 (4.70; <br /> 2/00/17 4725.46 4723.38 No readings (plant management changes) <br /> 3/00/17 4725.46 4723.38 No readings (plant management changes) <br /> 4/19/2017 11:01 18.80 4725.46 4723.38 4706,66 16.72 (4.80) <br /> 5/24/2017 9:45 17.40 4725.46 4723.38 4708.06 15.32 (3.20) <br /> 6/28/2017 13:26 18.00 4725.46 4723.38 4707.46 15.92 (4.20) <br /> Page 1 of 1 <br />