USGS Water-Year Summary 2019
364745076004302 62C 10 SOW 172B
Northern Atlantic Coastal Plain aquifer system
Upper Chesapeake Group
LOCATION - Lat 36°47'46.18", long 76°00'41.58" referenced to North American Datum of 1983, Virginia Beach City, VA, Hydrologic Unit 03010205, at the end of Phantom Boulevard, 0.25 mi south of Harpers Road and Oceana Naval Air Station in Virginia Beach. Owner: Virginia Department of Environmental Quality.
WELL CHARACTERISTICS - Depth 280 ft. Upper casing diameter 3 in; top of first opening 270 ft, bottom of last opening 280 ft. Drilled observation water well, screened 270 to 280 ft.
DATUM - Land-surface datum is 17 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF CASING, 2.80 ft above land-surface datum, Apr. 1, 1984 to present.
PERIOD OF RECORD - April 1984 to current year. Unpublished records available prior to October 1985 in files of the Virginia Department of Environmental Quality - Water Division.
GAGE - Electronic data logger and pressure transducer, 15-minute record interval. Transducer readings are only accurate to the nearest 0.1 ft prior to Sept. 17, 2015. Prior to Aug. 15, 2008, 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, 7.10 ft below land-surface datum, Jan. 30, 1991; lowest measured, 17.80 ft below land-surface datum, July 14, 1997.