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GROUNDWATER OBSERVATION DATA SHEETS RIVERVIEW RESOURCE <br /> Aggregate Industries <br /> WELL NUMBER MW-7 <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 9:01 23.00 4728.58 4726.15 4705.58 20.57 (3.40) No dewatering. <br /> Resumed dewatering on E of Cell 3 8/15/16 (flows <br /> 8/16/2016 9:57 22.30 4728.58 4726.15 4706.28 19.87 (2.10) to neighbors & to now isolated S pond). <br /> 9/16/2016 10:22 22.10 4728.58 4726.15 4706.48 19.67 (1.50) <br /> 10/24/2016 9:45 23.10 4728.58 4726.15 4705.48 20.67 (2.20) <br /> 11/9/2016 9:25 23.50 4728.58 4726.15 4705.08 21.07 (2.40) <br /> 12/16/2016 9:15 24.40 4728.58 4726.15 4704.18 21.97 (4.40) <br /> 1/12/2017 9:48 24.90 4728.58 4726.15 4703.68 22.47 (4.90) <br /> 2/00/17 4728.58 4726.15 No readings (plant management changes) <br /> 3/00/17 4728.58 4726.15 No readings (plant management changes) <br /> 4/20/2017 8:18 25.80 4728.58 4726.15 4702.78 23.37 (4.90) <br /> 5/00/17 4728.58 4726.15 No reading <br /> 6/28/2017 15:03 24.80 4728.58 4726.15 4703.78 22.37 (4.60) <br /> Page 1 of 1 <br />