Funding for this site is provided by:
40°45'53.3", long 73°35'12.0" referenced to North
American Datum of 1927, Nassau County, NY, Hydrologic Unit 02030202, at
northeast corner of Post Avenue and Advent Street, Old Westbury.
Depth 74.2 ft. Upper casing diameter 2
in; top of first opening 64.2 ft, bottom of last opening 69.2 ft.
PERIOD OF RECORD.--
December 2004 to current year.
Digital water-level recorder; 15-minute recording
interval. Periodic measurements made with chalked steel tape or
calibrated electric tape by U.S. Geological Survey personnel.
Replaced well N1616.2 in December 2004 near same
location. Cellular water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--
Highest water level recorded,
78.61 ft above sea level, May 19 and 26, 2010; lowest recorded, 66.64
ft above sea level, October 12, 2005.