LOCATION.--Lat 40°54'33.4", long
73°34'44.9" referenced to North American Datum of
1983, Nassau County, NY, Hydrologic Unit 02030201, at southeast
side of Oak Neck Beach, 5 ft north of fence line, inside the
playground along north side of Bayville Avenue, Bayville.
WELL CHARACTERISTICS.--Depth 370 ft. Upper casing
diameter 6 in; top of first opening 360 ft, bottom of last
opening 370 ft.
PERIOD OF RECORD.--September 1961 to December 1998, June
2005 to current year.
GAGE.--Water-level recorder installed June 2016;
15-minute recording interval. Periodic manual
measurements by USGS personnel.
REMARKS.--Water level affected by tidal
fluctuation.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 15.74 ft above NGVD of 1929, Feb. 5, 1962; lowest
recorded, 8.28 ft below NGVD of 1929, July 25, 2016.