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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.
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USGS Water-Year Summary 2024
421653088370903 MARN-10-04
Sand and gravel aquifers (glaciated regions)
Quaternary System
Quaternary System
LOCATION - Lat 42°16'52.96", long 88°37'09.29" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 NW 1/4 sec.23, T.44 N., R.5 E., McHenry County, IL, Hydrologic Unit 07090006, 26 feet west of groundwater well MARN-09-02 (421653088370901), 49 feet southwest of River Road, 270 feet west of intersection of River Road and Elizabeth Street, 0.5 miles west of Route 23, 0.3 miles east of Tributary to Kishwaukee River, 1.0 mile north of Kishwaukee River, and 2.3 miles northwest of Marengo. Owner: Illinois State Geological Survey.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 82 ft. Upper casing diameter 2 in; top of first opening 77 ft, bottom of last opening 82 ft. Well-casing includes 2-inch schedule 40 PVC pipe, 5.5 in. diameter borehole sealed with benseal grout, observation well.
DATUM - Land-surface datum is 827 ft above North American Vertical Datum of 1988. Measuring point: Top of PVC casing--east side at file mark, 3.00 ft above land-surface datum, 2010 to present.
PERIOD OF RECORD -
GROUND-WATER LEVELS: May 2011 to November 2016. Prior to May 2011,
observation well readings available from the Illinois State Geological Survey.
GROUND-WATER LEVELS: May 2011 to November 2016. Prior to May 2011,
observation well readings available from the Illinois State Geological Survey.
GAGE - Water level recorder and satellite telemeter.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 15.93 ft below land-surface datum, April 8, 2016; lowest, 23.08 ft below land-surface datum, January 8, 2013.
