USGS Water-Year Summary 2024
363257076272201 CA-103
Northern Atlantic Coastal Plain aquifer system
Quaternary System
LOCATION - Lat 36°32'56.96", long 76°27'22.00" referenced to North American Datum of 1983, Camden County, NC, Hydrologic Unit 03010205, in Great Dismal Swamp National Wildlife Refuge.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 5.50 ft. Upper casing diameter undefined; top of first opening 0 ft, bottom of last opening 5.5 ft.
DATUM - Land-surface datum is 21 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF CASING, 0.4 ft below land-surface datum, Jul. 14, 2015 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, 0.80 ft above land-surface datum, Oct. 9, 2016; lowest recorded, 2.22 ft below land-surface datum, Sept. 24, 2015.