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GROUNDWATER OBSERVATION DATA SHEETS RIVERVIEW RESOURCE <br /> Aggregate Industries <br /> WELL NUMBER MW-9 <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 9:05 9.50 4710.28 4707.35 4700,78 6.57 (0.80) No dewatering. <br /> Resumed dewatering on E of Cell 3 8/15/16 <br /> 8/16/2016 10:01 9.70 4710.28 4707.35 4700.58 6.77 (1.20) (flows to neighbors &to now isolated S pond). <br /> 9/16/2016 10:26 9.20 4710.28 4707.35 4701.08 6.27 (0.50) <br /> 10/24/2016 9:49 9.50 4710.28 4707.35 4700.78 6.57 (0.90) <br /> 11/9/2016 9:28 9.60 4710.28 4707.35 4700.68 6.67 (1.30) <br /> 12/16/2016 9:19 10.00 4710.28 4707.35 4700.28 7.07 (2.10) <br /> 1/12/2017 9:52 10.40 4710.28 4707.35 4699.88 7.47 (2.30) <br /> 2/00/17 4710.28 4707.35 No readings (plant management changes) <br /> 3/00/17 4710.28 4707.35 No readings (plant management changes) <br /> 4/20/2017 8:26 10.80 4710.28 4707.35 4699.48 7.87 (2.60) <br /> h <br /> 00/17 4710.28 4707.35 No reading <br /> 8/2017 15:20 10.10 4710.28 4707.35 4700.18 7.17 (1.80) <br /> 4/2017 14:51 10.60 4710.28 4707.35 4699.68 7.67 (1.90) <br /> Page 1 of 1 <br />