LOCATION.--Lat 40°40'43.5", long 73°41'29.7" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030202, at Valley Stream State Park, 150 ft west of Corona Avenue, 130 ft north of Remsen Street, Valley Stream.
WELL CHARACTERISTICS.--Depth 911 ft. Upper casing diameter 6 in; top of first opening 851 ft, bottom of last opening 911 ft.
DATUM.--Land-surface datum is 20.9 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 1/4-in hole drilled in 4-in steel plug, 2.17 ft above land-surface datum, 23.07 ft above land-surface datum, Mar. 9, 1941 to Nov. 18, 1998; Top of 4-in steel plug, 2.06 ft above land-surface datum, 22.96 ft above land-surface datum, Nov. 18, 1998 to present.
PERIOD OF RECORD.--March 1941 to September 1982, January 1985 to current year.
GAGE.--Periodic manual measurements by USGS personnel.
REMARKS.--Water level affected by nearby pumping.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 12.75 ft above NGVD of 1929, Mar. 9, 1941; lowest measured, 6.84 ft below NGVD of 1929, Aug. 25, 1970.

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