Funding for this site is provided by:
40°45'35", long 73°37'00" referenced to North
American Datum of 1927, Nassau County, NY, Hydrologic Unit 02030202, at
east side of Bacon Road, 106 ft north of Hillside Avenue, south of
school entrance, Old Westbury.
Depth 86 ft. Upper casing diameter 4 in;
top of first opening 81 ft, bottom of last opening 86 ft.
PERIOD OF RECORD.--
June 1976 to current year. Unpublished
records for June 1936 to September 1975 are available in files of the
U.S. Geological Survey.
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.
Prior to April 1967, well at site (N1258.1) was
screened in the upper glacial aquifer. Well N1258.1 was replaced by
well N8269.1 in April 1967, which was replaced by well N8269.2 in June
1976 near same location. Cellular water-level telemeter at
EXTREMES FOR PERIOD OF RECORD.--
Highest water level recorded,
74.18 ft above sea level, May 21, 1980; lowest recorded, 59.25 ft above
sea level, October 11 and 12, 2002.