Funding for this site is provided by:
GROUNDWATER RECORDS
LOCATION.--Lat 39°48'29", long 74°05'35"
referenced to North American Datum of 1927, Lacey Township, Ocean
County, NJ, Hydrologic Unit 02040301, in Island Beach State Park, about
6.6 mi south of the main entrance.
WELL CHARACTERISTICS.--Depth 2,756 ft. Upper casing diameter 8
in; top of first opening 2,736 ft, bottom of last opening 2,756 ft.
Drilled artesian well.
DATUM.--Land-surface datum is 9.02 ft above National Geodetic
Vertical Datum of 1929. Measuring point: Front edge of cutout, 5.00 ft
above land-surface datum, Sep. 1, 2004 to present.
PERIOD OF RECORD.--November 1968 to current year.
GAGE.--Water-level recorder.
REMARKS.--Water level is affected by tidal fluctuation.
EXTREMES FOR PERIOD OF RECORD.--Highest water level, 5.95 ft
above land surface datum, Apr 23, 1969; lowest, 23.00 ft below land
surface datum, between Dec 12, 1989 and Mar 22, 1990.