LOCATION.--Lat 40°36'37.0", long
74°09'00.2" referenced to North American Datum of
1983, Richmond County, NY, Hydrologic Unit 02030104, at south
side of Wyona Avenue, southwest of Woodbine Avenue,
Westerleigh, Staten Island.
WELL CHARACTERISTICS.--Depth 59 ft. Upper casing
diameter 2 in; top of first opening 49 ft, bottom of last
opening 54 ft.
DATUM.--Land-surface datum is 42 ft above National
Geodetic Vertical Datum of 1929. Measuring point: Top of
casing, 0.31 ft below land-surface datum, 41.69 ft above
land-surface datum, Jul. 23, 2004 to present.
PERIOD OF RECORD.--July 2004 to April 2015, September
2024 to current year.
GAGE.--Water level recorder installed November 2005 to
August 2013. Periodic manual measurements by USGS
personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
recorded, 29.60 ft above NGVD of 1929, Apr. 8, 2010; lowest
recorded, 22.76 ft above NGVD of 1929, Jan. 17, 2011.