LOCATION.--Lat 40°39'38.7", long
73°47'25.7" referenced to North American Datum of
1983, Queens County, NY, Hydrologic Unit 02030202, at John F.
Kennedy International Airport, east side of North Boundary
Road, south of 150th Avenue, southernmost well.
WELL CHARACTERISTICS.--Depth 305 ft. Upper casing
diameter 4 in; top of first opening 290 ft, bottom of last
opening 300 ft.
DATUM.--Land-surface datum is 11.3 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
coupling, 0.35 ft below land-surface datum, 10.95 ft above
land-surface datum, Jan. 23, 1979 to Oct. 9, 2024; Top of
coupling, 0.35 ft below land-surface datum, 9.74 ft above
land-surface datum, Oct. 9, 2024 to present.
PERIOD OF RECORD.--January 1979 to May 2018, March 2024
to current year.
GAGE.--Periodic manual measurements by USGS
personnel.
REMARKS.--Water level affected by tidal fluctuation and
local dewatering.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 6.90 ft above NGVD of 1929, Mar. 17, 2010; lowest
measured, 1.78 ft below NGVD of 1929, Sept. 26, 1983.
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