USGS Water-Year Summary 2024
364713076030701 62C 2 SOW 092A
Northern Atlantic Coastal Plain aquifer system
Upper Chesapeake Group
LOCATION - Lat 36°47'14.05", long 76°03'06.78" referenced to North American Datum of 1927, Virginia Beach City, VA, Hydrologic Unit 03010205, at entrance to Oceana Naval Air Station on London Bridge Road in Virginia Beach. Owner: Virginia Department of Environmental Quality.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 102 ft. Upper casing diameter 4 in; top of first opening 97 ft, bottom of last opening 102 ft. Drilled observation water well, screened 97 to 102 ft.
DATUM - Land-surface datum is 13.48 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF CASING, 0.70 ft above land-surface datum, Mar. 2, 1988 to present.
PERIOD OF RECORD - December 1977 to current year. Unpublished records available prior to October 1987 in files of the Virginia Department of Environmental Quality - Water Division.
GAGE - Electronic data logger and pressure transducer, 15-minute record interval. July 5, 1995 to Mar. 10, 2005, occasional measurement with chalked tape by Virginia Department of Environmental Quality - Water Division and USGS personnel. Oct. 10, 1985 to July 5, 1995, bimonthly measurement with chalked tape. Prior to Oct. 10, 1985, occasional measurement with chalked tape.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 5.00 ft below land-surface datum, Dec 1, 1977; lowest recorded, 20.59 ft below land-surface datum, Aug. 11, 2011.