LOCATION.--Lat 40°50'37.0", long
73°41'22.7" referenced to North American Datum of
1983, Nassau County, NY, Hydrologic Unit 02030201, at Village
Club Golf Course, east side of Middle Neck Road near exit gate,
Sands Point.
WELL CHARACTERISTICS.--Depth 122 ft. Upper casing
diameter 4 in; top of first opening 97 ft, bottom of last
opening 117 ft.
DATUM.--Land-surface datum is 53 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
casing, 0.67 ft below land-surface datum, 52.33 ft above
National Geodetic Vertical Datum of 1929, Jun. 24, 1993 to
present.
PERIOD OF RECORD.--June 1993 to March 1997, March 2002
to current year.
GAGE.--Periodic manual measurements by USGS
personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 35.78 ft above NGVD of 1929, Apr. 17, 2024; lowest
measured, 26.47 ft above NGVD of 1929, Oct. 31, 2013.