USGS Water-Year Summary 2025
390758087363301 SULLIVAN 10 (SU 10)
Other aquifers
Quaternary System
LOCATION - Lat 39°07'58", long 87°36'33" referenced to North American Datum of 1983, Sullivan County, IN, Hydrologic Unit 05120111,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 58 ft. Upper casing diameter 6 in; top of first opening 28 ft, bottom of last opening 58 ft.
DATUM - Land-surface datum is 435 ft above National Geodetic Vertical Datum of 1929. Measuring point: MARK ON TOP OF CASING, 5.08 ft above land-surface datum, Mar. 21, 2017 to present.
PERIOD OF RECORD - Mar 21, 2017 to current year.
GAGE - Pressure Transducer.
EXTREMES FOR PERIOD OF RECORD -
Highest water level, -4.09 ft below land-surface datum, March 16th 2022. Lowest water level, 7.32 ft below land-surface datum, January 4th 2023.