LOCATION.--Lat 40°49'26.1", long 73°40'52.9" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030201, at south side of Revere Road, just east of Port Washington Boulevard, Port Washington.
WELL CHARACTERISTICS.--Depth 577 ft. Upper casing diameter 4 in; top of first opening 552 ft, bottom of last opening 572 ft.
DATUM.--Land-surface datum is 154 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 0.46 ft below land-surface datum, 153.54 ft above National Geodetic Vertical Datum of 1929, Mar. 31, 1994 to Dec. 9, 2011; North side top of PVC casing, 0.4 feet below land surface datum, 152.0 ft above North American Vertical Datum of 1988, Dec. 9, 2011 to present.
PERIOD OF RECORD.--March 1994 to March 1998, January 2002 to current year.
GAGE.--Periodic manual measurements by USGS personnel.
REMARKS.--Water level affected by tidal fluctuation and nearby pumping.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 22.50 ft above NGVD of 1929, Apr. 17, 2013; lowest measured, 10.94 ft above NGVD of 1929, July 22, 2002.

Rating Curve

Get the latest shift-adjusted rating table for this site at the
USGS Rating Depot.   What is a shift-adjusted rating?

Station image