Click
to
hide
Water-Year
Summary
instructions
and
information
- 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
422803087475301 46N12E-14.6g1 (Zion well 1)
Cambrian-Ordovician aquifer system
St. Peter Sandstone
St. Peter Sandstone
LOCATION - Lat 42°28'05", long 87°47'58" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 NW 1/4 sec.14, T.46 N., R.12 E., Lake County, IL, Hydrologic Unit 04040002, at Illinois Beach State Park, northern unit. Owner: U.S. Geological Survey.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 940 ft. Upper casing diameter 2 in; top of first opening 589 ft, bottom of last opening 940 ft. Unscreened, observation, artesian.
DATUM - Land-surface datum is 586 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top coupling on pvc pipe, 2.73 ft above land-surface datum, Dec. 9, 1981 to present. Accuracy of datum is +/- 5 ft.
PERIOD OF RECORD -
GROUND-WATER LEVELS: September 2010 to October 2019. December 1980 to August 2010 (periodic).
GROUND-WATER LEVELS: September 2010 to October 2019. December 1980 to August 2010 (periodic).
GAGE - Water level recorder and radio telemetry. Ground water levels affected by regional pumping.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 201.54 ft. below land surface datum, Oct 30, 2019; lowest, 235.12 ft below land-surface datum, December 22, 1989.
