LOCATION.--Lat 40°34'02.4", long
74°09'07.3" referenced to North American Datum of
1983, Richmond County, NY, Hydrologic Unit 02030104, at
southeast corner of Tanglewood Drive and Arthur Kill Road,
Great Kills, Staten Island.
WELL CHARACTERISTICS.--Depth 15 ft. Upper casing
diameter 4 in; top of first opening 10 ft, bottom of last
opening 15 ft.
DATUM.--Land-surface datum is 13.5 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
casing, 0.42 ft below land-surface datum, 13.08 ft above
land-surface datum, Feb. 3, 2005 to Sep. 18, 2024; Top of
casing, 0.42 ft below land-surface datum, 11.89 ft above
land-surface datum, Sep. 18, 2024 to present.
PERIOD OF RECORD.--February 2005 to current year.
GAGE.--Periodic
manual measurements by USGS personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
measured, 8.06 ft above NGVD of 1929, Mar. 24, 2010; lowest
measured, 6.23 ft above NGVD of 1929, Sept. 21, 2005.