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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 2024
403517074452501 190270 Readington 11 Obs NJ Permit Number 25-33679-7
Early Mesozoic basin aquifers
Passaic Formation
Passaic Formation
LOCATION - Lat 40°35'17", long 74°45'25" referenced to North American Datum of 1927, Readington Township, Hunterdon County, NJ, Hydrologic Unit 02030105, behind Readington School, on Readington Rd. (County Rd.620).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 101 ft. Upper casing diameter 6 in; top of first opening 50 ft, bottom of last opening 101 ft. Drilled observation well.
DATUM - Land-surface datum is 224.99 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF CASING, 1.5 ft above land-surface datum, Jul. 14, 1989 to Jul. 15, 1989; top of recorder shelf, 2.2 ft above land-surface datum, Mar. 1, 1990 to May. 2, 2001; Top of casing, 2.13 ft above land-surface datum, May. 1, 2001 to present.
PERIOD OF RECORD - April 1990 to current year.
GAGE - Water-level recorder with telemetry.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 8.29 ft below land surface datum, Sep 9, 2011; lowest, 30.08 ft below land surface datum, Nov. 28, 2016.
