LOCATION.--Lat 40°51'23.0", long
73°36'05.8" referenced to North American Datum of
1983, Nassau County, NY, Hydrologic Unit 02030201, at east side
of Lawrence Lane, 95 ft north of Bryant Road, Glen Cove.
WELL CHARACTERISTICS.--Depth 500 ft. Upper casing
diameter 4 in; top of first opening 475 ft, bottom of last
opening 495 ft.
DATUM.--Land-surface datum is 131 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
casing, 0.29 ft below land-surface datum, 130.71 ft above
National Geodetic Vertical Datum of 1929, Mar. 20, 1991 to
present.
PERIOD OF RECORD.--March 1991 to March 1998, March 2005
to current year.
GAGE.--Periodic manual measurements by USGS
personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 27.61 ft above NGVD of 1929, Feb. 25, 2008; lowest
measured, 5.20 ft above NGVD of 1929, July 25, 2011.