USGS Water-Year Summary 2023
413434086434701 LA PORTE 12 (LP 12)
Sand and gravel aquifers (glaciated regions)
Pleistocene Series
LOCATION - Lat 41°34'34", long 86°43'47" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 NW 1/4 sec.14, T.36 N., R.3 W., LaPorte County, IN, Hydrologic Unit 07120001, (LA PORTE EAST, IN quadrangle), on County Road 150 West, at La Porte Municipal Airport, 1.6 mi south of La Porte.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 77 ft. Upper casing diameter 6 in; top of first opening 71 ft, bottom of last opening 77 ft.
DATUM - Land-surface datum is 805 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF FLOOR OF SHELTER, 3.7 ft above land-surface datum, Mar. 17, 1981 to present.
PERIOD OF RECORD - July 1981 to October 2003, April 2016 to current.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 14.32 ft below land-surface datum, March 6, 2018; lowest, 24.10 ft below land-surface datum, Oct. 8, 2003.