LOCATION.--Lat 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.
WELL CHARACTERISTICS.--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Unpublished records for June 1936 to September 1975 are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.
GAGE.--Water-level recorder installed July 20, 2002;
15-minute recording interval. Periodic manual measurements made
by USGS personnel.
REMARKS.--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 station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level
recorded, 74.18 ft above NGVD of 1929, May 21, 1980; lowest
recorded, 59.04 ft above NGVD of 1929, Aug. 28, 2002.
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