USGS Water-Year Summary 2024
400104086023101 HAMILTON 9 (HA 9)
Sand and gravel aquifers (glaciated regions)
Quaternary System
LOCATION - Lat 40°01'04.05", long 86°02'30.76" referenced to North American Datum of 1983, Hamilton County, IN, Hydrologic Unit 05120201, 35ft East of Cherry Tree Road.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 94 ft. Upper casing diameter 4 in; top of first opening 86 ft, bottom of last opening 94 ft.
DATUM - Land-surface datum is 765.19 ft above North American Vertical Datum of 1988. Measuring point: TWO FILED NOTCHES ON TOP OF CASING, 2.52 ft above land-surface datum, Feb. 1, 2018 to present.
Land-surface datum is 765 ft above National Geodetic Vertical Datum of 1929.
PERIOD OF RECORD - Feb. 12, 2018 to current year.
GAGE - Pressure transducer.
EXTREMES FOR PERIOD OF RECORD -
Highest water level, 35.01 ft below land-surface datum, Apr. 18, 2018. Lowest, 46.80 ft below land-surface datum, Feb. 9, 2020.