USGS Water-Year Summary 2024
390837075291401 DE A4-MW7D
LOCATION - Lat 39°08'36.7", long 75°29'13.9" referenced to North American Datum of 1983, Kent County, DE, Hydrologic Unit 02040207,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 22.5 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 19.91 ft above North American Vertical Datum of 1988. Measuring point: Top of original well casing before locking cap was installed on 3/29/21, 0.29 ft below land-surface datum, UNDEFINED BEGIN DATE to Mar. 29, 2021; Top of yellow casing attached to locking cap, 0.14 ft below land-surface datum, Mar. 25, 2021 to present.
PERIOD OF RECORD - March 2021 to April 2023, August 2023 to October 2024.
GAGE - Water-level measurements by U.S. Geological Survey personnel.
EXTREMES FOR PERIOD OF RECORD - The extremes for period of record are 8.28 (Low) feet below land surface on September 30, 2022, and Unknown (High).