USGS Water-Year Summary 2024
402851087213501 Benton 4 - BE 4
Sand and gravel aquifers (glaciated regions)
Pleistocene Series
LOCATION - Lat 40°28'51", long 87°21'35" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 SE 1/4 sec.31, T.24 N., R.8 W., Benton County, IN, Hydrologic Unit 05120108, 1.2 mi east of State Road 41, on north side of county road 850 S, 3.6 mi southeast of Boswell.
REVISIONS HISTORY - The gage heights for 09/11/2013 - 11/20/2013 were erroneously published and have been corrected.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 310 ft. Upper casing diameter 6 in; top of first opening 300 ft, bottom of last opening 305 ft.
DATUM - Land-surface datum is 709.48 ft above North American Vertical Datum of 1988. Measuring point: TOP OF FLOOR OF SHELTER, 2.19 ft above land-surface datum, Nov. 1978 to Apr. 2017; Undefined, distance above land-surface datum not defined, Nov. 5, 1981 to present; LAND SURFACE TO TOP OF CASING, 2.22 ft above land-surface datum, Apr. 3, 2017 to present. Prior to Feb. 2017 land-surface datum was 710 ft above National Geodetic Vertical Datum of 1929.
PERIOD OF RECORD - November 1978 to current year.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 9.57 ft below land-surface datum, May 4, 1993; lowest, 19.29 ft below land-surface datum, Aug. 4-6, 2012.