USGS Water-Year Summary 2024
364317076294501 59B 37
Northern Atlantic Coastal Plain aquifer system
Quaternary System
LOCATION - Lat 36°43'17.37", long 76°29'44.81" referenced to North American Datum of 1983, Suffolk City, VA, Hydrologic Unit 02080208, in Great Dismal Swamp National Wildlife Refuge.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 5.10 ft. Upper casing diameter undefined; top of first opening 0 ft, bottom of last opening 5.1 ft.
DATUM - Land-surface datum is 20.8 ft above North American Vertical Datum of 1988. Measuring point: TOP OF CASING, 1.86 ft above land-surface datum, Sep. 13, 2014 to present.
PERIOD OF RECORD - September 2014 to current year.
GAGE - Electronic data logger and pressure transducer, 15-minute record interval.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 1.53 ft above land-surface datum, Oct. 9, 2016; lowest recorded, 1.15 ft below land-surface datum, Sept. 29, 30, 2022.