Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2025
394829074053503 290019 Island Beach 3 Obs
Northern Atlantic Coastal Plain aquifer system
Magothy-Raritan-Potomac Aquifer Systems, Undifferentiated
Magothy-Raritan-Potomac Aquifer Systems, Undifferentiated
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. PARKING AREA #15. **Specific Gravity for WinSitu 1.002**
GROUNDWATER RECORDS
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: Transfer MP created for migration, 0 ft above land-surface datum, Nov. 29, 1968 to Oct. 29, 1988; Front edge of max-min, 5.11 ft above land-surface datum, Oct. 28, 1988 to Sep. 2, 2004; Front edge of cutout, 5.0 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.
WATER-QUALITY RECORDS
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: Transfer MP created for migration, 0 ft above land-surface datum, Nov. 29, 1968 to Oct. 29, 1988; Front edge of max-min, 5.11 ft above land-surface datum, Oct. 28, 1988 to Sep. 2, 2004; Front edge of cutout, 5.0 ft above land-surface datum, Sep. 1, 2004 to present.
PERIOD OF RECORD - 1962-09-21 to present. Chloride sampling occurs periodically at this site.
