USGS Water-Year Summary 2023
411038087284701 LAKE 12 (LK 12)
Silurian-Devonian aquifers
Silurian System
LOCATION - Lat 41°10'38", long 87°28'47" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 SW 1/4 sec.32, T.32 N., R.9 W., Lake County, IN, Hydrologic Unit 07120001, (SCHNEIDER, IN quadrangle), on the northern edge of Kankakee River State Park, 2.0 mi southwest of Schneider.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 82 ft. Upper casing diameter 6 in; top of first opening 54 ft, bottom of last opening 82 ft. ADR, top of first opening 52 ft
DATUM - Land-surface datum is 630.59 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF FLOOR OF SHELTER, 2.55 ft above land-surface datum, Feb. 8, 2016 to present.
PERIOD OF RECORD - March 1967 to October 2003, February 2016 to current.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 0.15 ft below land-surface datum, Jan. 12, 1973; lowest, 17.92 ft below land-surface datum, Aug. 27, 1988.