USGS Water-Year Summary 2023
402741088524102 23N3E-9.7b4 (Bloomington MW5U4)
Sand and gravel aquifers (glaciated regions)
Quaternary System
LOCATION - Lat 40°27'41.1", long 88°52'40.3" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 SW 1/4 sec.9, T.23 N., R.3 E., McLean County, IL, Hydrologic Unit 07130009, near Bloomington, Illinois, adjacent the Grove subdivision, approximately 0.2 miles north of Il. RT28 (Ireland Grove Rd), approximately 100 meters west of Kickapoo Creek.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 16.85 ft. Upper casing diameter 4 in; top of first opening 11.7 ft, bottom of last opening 16.3 ft.
DATUM - Land-surface datum is 798.44 ft above North American Vertical Datum of 1988. Measuring point: Top of PVC casing, east side at mark; Altitude survey 10/2/15, 2.90 ft above land-surface datum, Sep. 4, 2013 to present.
PERIOD OF RECORD -
GROUND-WATER LEVELS: October 2013 to December 2016.
GROUND-WATER QUALITY
WATER TEMPERATURE: October 2013 to December 2016.
SPECIFIC CONDUCTANCE: October 2013 to December 2016.
NITRATE: October 2013 to December 2016.
GAGE - Water-level recorder, satellite telemeter, and water-quality monitor.
EXTREMES FOR PERIOD OF RECORD -
WATER LEVEL: Highest, -0.10 ft below land surface, July 9, 2015; lowest, 8.02 ft below land surface, December 11, and 17-18, 2013.
WATER TEMPERATURE: Maximum, 15.4 oC, Sept. 23-27, 2016; minimum, 8.2 oC, April 24, 2014.
SPECIFIC CONDUCTANCE: Maximum, 1250 oC, June 8, 2014; minimum, 629 oC, May 17, 19-20, 2016.
NITRATE: Maximum, 8.73 oC, Dec. 23, 2014; minimum, 0.68 oC, Aug. 20, 2015.