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- 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.
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USGS Water-Year Summary 2025
402350073583901 250771 Sandy Hook 2 Obs NJ Permit Number 29-36217
Northern Atlantic Coastal Plain aquifer system
Englishtown Formation
Englishtown Formation
LOCATION - Lat 40°23'50", long 73°58'39" referenced to North American Datum of 1927, Sea Bright Borough, Monmouth County, NJ, Hydrologic Unit 02030104, before the main entrance to the park. Park in sandy area behind partitioned off road to building. GPS: 40 25 52.4N, 73 58 36.1W.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 278 ft. Upper casing diameter 4 in; top of first opening 258 ft, bottom of last opening 278 ft. Drilled artesian well.
DATUM - Land-surface datum is 8.40 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF BASE OF ALUMINUM LOCKING CAP, 3.4 ft above land-surface datum, May 28, 1997 to Jul. 2, 1997; Top of casing, 4.4 ft above land-surface datum, Jul. 29, 1997 to present.
PERIOD OF RECORD - July 1997 to current year.
GAGE - Water-level recorder.
REMARKS - Water-level affected by tidal fluctuation.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 0.31 ft below land surface datum, Oct 29, 2012; lowest, 11.12 ft below land surface datum, Sep 8, 2010.
