LOCATION.--Lat 40°42'39", long
73°49'28" referenced to North American Datum of 1927,
Queens County, NY, Hydrologic Unit 02030202, at eastern side of
Maple Grove Cemetery, 300 ft south of maintenance building,
northernmost well, Kew Gardens.
WELL CHARACTERISTICS.--Depth 80 ft. Upper casing
diameter 4 in; top of first opening 50 ft, bottom of last
opening 70 ft.
DATUM.--Land-surface datum is 82.8 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
northside of well casing, 82.74 ft above land-surface datum,
Jul. 26, 1996 to Mar. 27, 2024; Top of northside of well
casing, 80.702 ft above land-surface datum, Mar. 27, 2024 to
present.
PERIOD OF RECORD.--July 1996 to April 2015, March 2024
to current year.
GAGE.--Periodic manual measurements by USGS
personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 41.00 ft above NGVD of 1929, Apr. 20, 2010; lowest
measured, 14.86 ft above NGVD of 1929, Feb. 23, 2000.