2017-08-18_REPORT - M1999098

• Permit No: M1999098
• IBM Index Class Name: REPORT
• Doc Date: 8/18/2017
• Doc Name: Annual Fee/Report/Map
• From: Aggregate Industries
• To: DRMS
• Annual Report Year: 2017
• Media Type: D
• Archive: No

GROUNDWATER OBSERVATION DATA SHEETS RIVERVIEW RESOURCE
Aggregate Industries
WELL NUMBER MW-6
Depth Measured PVC Rim Ground Water Depth Below Difference from Notes
Date Time (PVC rim to water) Elevation Elevation Elevation Original Ground Historic Levels Plant area was actually being dewatered at least
(ft) (ft) (ft) (ft) (ft) (ft) intermittently July 2010 on until noted otherwise
7/14/2016 8:22 6.60 4708.47 4706.05 4701.87 4.18 1.30 No dewatering.
Resumed dewatering on E of Cell 3 8/15/16 (flows
8/16/2016 9:20 5.30 4708.47 4706.05 4703.17 2.88 2.60 to neighbors & to now isolated S pond).
9/16/2016 9:34 4.20 4708.47 4706.05 4704.27 1.78 3.70
10/24/2016 9:07 4.20 4708.47 4706.05 4704.27 1.78 3.30
11/9/2016 8:54 4.20 4708,47 4706,05 4704.27 1.78 3.00
12/16/2016 4708.47 4706.05 No safe access due to ice/water
1/12/2017 9:10 6.50 4708.47 4706.05 4701.97 4.08 0.40
During week of 2/20/17, ditch on E of Cell 3 that
flows to neighbors & S pond, new ditch was cut
from that ditch to W to alleviate overflow of ditch
on S end that was being caused by beaver
2/20/2017 4708,47 4706.05 damming.
2/00/17 4708.47 4706.05 No readings (plant management changes)
3/00/17 4708.47 4706.05 No readings (plant management changes)
4/19/2017 10:50 5.80 4708,47 4706.05 4702.67 3.38 1.10
5/24/2017 11:15 4.00 4708,47 4706.05 4704.47 1.58 3.10
6/28/2017 4708.47 4706.05 No reading--water/vegetation prevent safe access
Page 1 of 1