USGS Water-Year Summary 2024
390808075293801 DE A4-MW5S
LOCATION - Lat 39°08'08.5", long 75°29'38.3" referenced to North American Datum of 1983, Kent County, DE, Hydrologic Unit 02040207,
REVISIONS HISTORY - Data from the Water Level, depth LSD time series were deemed erroneous and removed from the record. These data include all points from initial installation on 03/29/2021 to cable replacement on 06/30/2022 and they were revised on 09/21/2022. The erroneous data points were the result of a kinked cable, preventing the pressure sensor from venting and recording correct WL.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 34.5 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 32.26 ft above North American Vertical Datum of 1988. Measuring point: Top of well casing before locking cap installed on 3/29/21, 0.32 ft below land-surface datum, UNDEFINED BEGIN DATE to Mar. 29, 2021; Top of yellow casing attached to locking cap, 0.17 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 - Highest water level 19.99 on April 24, 2024; Lowest water level measured: 25.43 feet below land surface on multiple dates with the first occurrence on October 2, 2022.