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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
422925088255402 3-HEB-D
Sand and gravel aquifers (glaciated regions)
Quaternary System
Quaternary System
LOCATION - Lat 42°29'25", long 88°25'54" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 SW 1/4 sec.04, T.46 N., R.7 E., McHenry County, IL, Hydrologic Unit 07120006, 93 feet east of Freeman Road and 24 feet north of farm lane on McHenry County Conservation District property, 0.3 miles south of Illinois/Wisconsin State Line Road, 1.2 miles north of Hebron, and 0.1 miles north of DeYoung Creek. Owner: McHenry County.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 94.4 ft. Upper casing diameter undefined; top of first opening 89.4 ft, bottom of last opening 93.9 ft. Well-casing includes 2-inch schedule 40 PVC pipe, 6 in. diameter borehole with bentonite seal, artesian observation well.
DATUM - Land-surface datum is 867.93 ft above North American Vertical Datum of 1988. Measuring point: Top of PVC well casing stickup, west side, 2.16 ft above land-surface datum, Nov. 18, 2013 to present.
PERIOD OF RECORD -
GROUND-WATER LEVELS: April 2009 to April 2017.
GROUND-WATER QUALITY:
CHEMICAL: Water year 2011.
GROUND-WATER LEVELS: April 2009 to April 2017.
GROUND-WATER QUALITY:
CHEMICAL: Water year 2011.
GAGE - Water level recorder and radio telemeter.
EXTREMES FOR PERIOD OF RECORD - Highest water level, -16.56 ft below land-surface datum, June 24, 2009; lowest, -10.34 ft below land-surface datum, February 5, 2013.
