LOCATION.--Lat 40°43'03.3", long 73°29'53.3" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030202, at east side of Emerald Lane, 87 ft south of Miller Place, Levittown.
WELL CHARACTERISTICS.--Depth 49 ft. Upper casing diameter 4 in; top of first opening undefined, bottom of last opening undefined. Screen assumed at bottom.
DATUM.--Land-surface datum is 71 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of coupling, 0.66 ft below land-surface datum, 70.34 ft above land-surface datum, Jun. 23, 1995 to present.
PERIOD OF RECORD.--April 1994 to current year.
GAGE.--Periodic manual measurements by USGS personnel.
REMARKS.--Replaced well N1263.4 in July 1993 near same location.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 52.49 ft above NGVD of 1929, Apr. 16, 2024; lowest measured, 38.34 ft above NGVD of 1929, Aug. 19, 2002.

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