USGS Water-Year Summary 2023
413141084544201 DEKALB 12 (DK 12)
Other aquifers
Quaternary System
LOCATION - Lat 41°31'41", long 84°54'42" referenced to North American Datum of 1983, DeKalb County, IN, Hydrologic Unit 04100003,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 125 ft. Upper casing diameter 4 in; top of first opening 120 ft, bottom of last opening 125 ft.
DATUM - Land-surface datum is 905 ft above National Geodetic Vertical Datum of 1929. Measuring point: TWO NOTCHES FILED IN CASING, 1.35 ft above land-surface datum, Feb. 23, 2017 to present.
PERIOD OF RECORD - Feb. 23, 2017 to current year.
GAGE - Pressure Transducer.
EXTREMES FOR PERIOD OF RECORD -
Highest water level, 6.73 ft below land-surface datum, June 24, 2019. Lowest, 11.62 ft below land-surface datum, October 4, 2018.