LOCATION.--Lat 40°42'53", long
73°39'56" referenced to North American Datum of 1927,
Nassau County, NY, Hydrologic Unit 02030202, at north side of
1st Place, 78 ft east of Yale Road, Garden City South.
WELL CHARACTERISTICS.--Depth 67 ft. Upper casing
diameter 4 in; top of first opening 59 ft, bottom of last
opening 64 ft.
DATUM.--Land-surface datum is 76 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
coupling, 0.28 ft below land-surface datum, 75.72 ft above
National Geodetic Vertical Datum of 1929, Dec. 20, 1982 to
present.
PERIOD OF RECORD.--December 1982 to March 1998, January
2006 to current year.
GAGE.--Periodic manual measurements by USGS
personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 48.75 ft above NGVD of 1929, Apr. 16, 2024; lowest
measured, 34.20 ft above NGVD of 1929, Dec. 20, 1982.