USGS Water-Year Summary 2024
412304084440601 DE-31 OH
Sand and gravel aquifers (glaciated regions)
Outwash
LOCATION - Lat 41°23'03.82", long 84°44'06.04" referenced to North American Datum of 1983, Defiance County, OH, Hydrologic Unit 04100006,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 244 ft. Upper casing diameter undefined; top of first opening 239 ft, bottom of last opening 244 ft.
DATUM - Land-surface datum is 858.18 ft above North American Vertical Datum of 1988. Measuring point: Two files marks on north side of 5 inch PVC casing, 1.22 ft above land-surface datum, UNDEFINED BEGIN DATE to present.
PERIOD OF RECORD - Continuous water level measurements 9/10/2021 to present.
GAGE - Continuous water level measurements are recorded from a submersible pressure transducer in this well by a Campbell Scientific CR-300 data recorder. This record of hourly measurements is transmitted via cellular modem to the USGS database.
EXTREMES FOR PERIOD OF RECORD - Lowest instantaneous water level 59.70 feet below land surface datum on September 19,2021. Highest instantaneous water level 56.73 on March 31, 2022.