USGS Water-Year Summary 2024
383730075213501 Pf24-02
Northern Atlantic Coastal Plain aquifer system
Beaverdam Sand
LOCATION - Lat 38°38'37.1", long 75°21'34.6" referenced to North American Datum of 1983, Sussex County, DE, Hydrologic Unit 02040303, at southwest corner of U.S. Route 113 (Dupont Boulevard) and Breasure Road.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 49 ft. Upper casing diameter 4 in; top of first opening 46 ft, bottom of last opening 49 ft. Drilled, observation, water-table well.
DATUM - Land-surface datum is 44.07 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 3.0 ft above land-surface datum, Jan. 27, 1970 to Jun. 22, 2018; Leveled on 06/21/18.old LS alt 50 feet using topo, now 44.07, 3.0 ft above land-surface datum, Jun. 21, 2018 to present.
PERIOD OF RECORD - January 1970 to April 1993, June 1998 to current year.
GAGE - Water-level measurements by U.S. Geological Survey personnel. Equipped with graphic water-level recorder from January 1970 to January 1982. Equipped with digital water-level recorder from May 2016 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 5.53 ft below land surface, March 10, 1979; lowest measured, 14.68 ft below land surface, September 2, 1999.