USGS Water-Year Summary 2024
403200074420601 350138 MW 110 NJ Permit Number 25-60350
Early Mesozoic basin aquifers
Passaic Formation
LOCATION - Lat 40°31'59.7", long 74°42'06.5" referenced to North American Datum of 1983, Hillsborough Township, Somerset County, NJ, Hydrologic Unit 02030105, near the edge of River Rd, South Branch.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 36 ft. Upper casing diameter 2 in; top of first opening 31 ft, bottom of last opening 36 ft. Drilled observation well.
DATUM - Land-surface datum is 60 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of protective casing, 2.22 ft above land-surface datum, Jun. 17, 2003 to present.
PERIOD OF RECORD - June 2003 to current year.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 0.38 ft below land surface datum, Apr 16, 2007; lowest, 12.15 ft below land surface datum, Sep 6, 2010.