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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.
- 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
404014074585401 190495 NJWSA Tw-B NJ Permit Number, 24-41232
Piedmont and Blue Ridge crystalline-rock aquifers
Precambrian Erathem
Precambrian Erathem
LOCATION - Lat 40°40'13.6", long 74°58'54.4" referenced to North American Datum of 1983, Bethlehem Township, Hunterdon County, NJ, Hydrologic Unit 02030105,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 380 ft. Upper casing diameter 6 in; top of first opening 55 ft, bottom of last opening 380 ft. Drilled observation well.
DATUM - Land-surface datum is 600 ft above National Geodetic Vertical Datum of 1929. Measuring point: Transfer MP created for migration, 0 ft above land-surface datum, Feb. 19, 2002 to Oct. 14, 2006; Top of base of locking cap, 1.6 ft above land-surface datum, Oct. 13, 2006 to present.
PERIOD OF RECORD - October 2006 to current year.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 4.99 ft below land surface datum, Sep 8, 2011: lowest, 34.03 ft below land surface datum, Jan 2, 2017.
