LOCATION.--Lat 40°33'39.3", long
74°10'13.3" referenced to North American Datum of
1983, Richmond County, NY, Hydrologic Unit 02030104, at
southwest corner of Authur Kill Road and Richmond Avenue, Great
Kills, Staten Island.
WELL CHARACTERISTICS.--Depth 126 ft. Upper casing
diameter 4 in; top of first opening 121 ft, bottom of last
opening 126 ft.
DATUM.--Land-surface datum is 15 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
casing, 0.40 ft below land-surface datum, 14.6 ft above
land-surface datum, Feb. 18, 2005 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, 7.65 ft above NGVD of 1929, Sept. 30, 2011; lowest
measured, 6.23 ft above NGVD of 1929, Sept. 21, 2005.