USGS Water-Year Summary 2024
382323086044501 Harrison 8 - HR 8.
Mississippian aquifers
Mississippian System
LOCATION - Lat 38°23'23", long 86°04'45" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 NE 1/4 sec.33, T.1 S., R.4 E., Harrison County, IN, Hydrologic Unit 05140104, on Harrison County right-of-way, 2.0 mi southeast of Palmyra.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 93 ft. Upper casing diameter 6 in; top of first opening 54 ft, bottom of last opening 93 ft.
DATUM - Land-surface datum is 827.45 ft above North American Vertical Datum of 1988. Measuring point: mark on top of floor of shelter, 3.1 ft above land-surface datum, Nov. 3, 1965 to Mar. 1, 2017; mark on top of floor of shelter, 2.44 ft above land-surface datum, Feb. 28, 2017 to present; mark on top of floor of shelter, 829.89 ft above land-surface datum, Feb. 28, 2017 to present. Prior to Feb. 2017, datum of gage is 827 ft above National Geodetic Vertical Datum of 1929.
PERIOD OF RECORD - November 1965 to current year.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 0.20 ft above land-surface datum, March 19, 2008; lowest, 20.52 ft below land-surface datum, Jan. 07,2023.