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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 2024
402644074563601 190002 Bird Obs
Early Mesozoic basin aquifers
Stockton Formation
Stockton Formation
LOCATION - Lat 40°26'44", long 74°56'36" referenced to North American Datum of 1927, Delaware Township, Hunterdon County, NJ, Hydrologic Unit 02040105, near U.S. Post Office, Sergeantsville.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 21 ft. Upper casing diameter 36 in; top of first opening 0 ft, bottom of last opening 21 ft. Dug water-table well.
DATUM - Land-surface datum is 342.08 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of recorder shelf, 1.50 ft above land-surface datum, Jun. 1, 1965 to present.
PERIOD OF RECORD - June 1965 to current year.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 5.27 ft below land surface datum, Mar 29, 1993; lowest, 17.09 ft below land surface datum, Oct 6-8, 2005.
