LOCATION.--Lat 40°39'13.0", long 73°43'18.5" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030202, at Brook Road Park, 35 ft south of Brook Road, 41 ft east of stream, easternmost well, Green Acres.
WELL CHARACTERISTICS.--Depth 517 ft. Upper casing diameter 6 in; top of first opening 505 ft, bottom of last opening 517 ft.
DATUM.--Land-surface datum is 7.70 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 1.54 ft above land-surface datum, 9.24 ft above land-surface datum, Jan. 28, 1953 to present.
PERIOD OF RECORD.--January 1953 and January 1968 to current year. Unpublished records for January 1953 to September 1975 are available in files of the U.S. Geological Survey.
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, 7.99 ft above NGVD of 1929, Jan. 28, 1953; lowest measured, 2.61 ft below NGVD of 1929, July 19, 1977.

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