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Water-Year Summary for Site 421747088270701

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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.
Available Parameters
72019 Water level, depth LSD(Max.)  

Water year 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
421747088270701 WOOD-08-01
Sand and gravel aquifers (glaciated regions)
Quaternary System
LOCATION - Lat 42°17'47.11", long 88°27'06.99" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NW 1/4 sec.17, T.44 N., R.7 E., McHenry County, IL, Hydrologic Unit 07090006, 70 feet southeast of southeast edge of McHenry County Soil and Water Conservation Center parking lot, 180 feet east of Dean Street, 0.1 miles south of Davis Road, 0.12 miles south of Route 14, 0.9 miles west of Route 47, 1.3 mile south of Woodstock, and 490 feet west of Kishwaukee River. Owner: Illinois State Geological Survey.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 202.3 ft. Upper casing diameter undefined; top of first opening 197 ft, bottom of last opening 202 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 943 ft above North American Vertical Datum of 1988. Measuring point: Top of PVC casing; high point, marked, 1.95 ft above land-surface datum, Oct. 7, 2008 to present.
PERIOD OF RECORD -
GROUND-WATER LEVELS: September 2009 to current. Prior to September 2009,
    observation well readings available from the Illinois State Geological Survey.
GROUND-WATER QUALITY:
  CHEMICAL: Water year 2011.
GAGE - Water level recorder and satellite telemeter.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 72.52 ft below land-surface datum, May 23 & May 26, 2020; lowest, 83.24 ft below land-surface datum, July 12, 13, 2012. Water levels may have been higher during period of missing record.