USGS Water-Year Summary 2025
394652075100401 150741 Mantua Shallow Obs
Northern Atlantic Coastal Plain aquifer system
Magothy-Raritan-Potomac Aquifer Systems, Upper Aquifer
LOCATION - Lat 39°46'52", long 75°10'04" referenced to North American Datum of 1927, Mantua Township, Gloucester County, NJ, Hydrologic Unit 02040202, at the Township of Mantua Road Department, Main Street (County Rt. 553).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 313 ft. Upper casing diameter 4 in; top of first opening 293 ft, bottom of last opening 313 ft. Drilled artesian well.
DATUM - Land-surface datum is 82 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF 4 INCH CASING, 3.7 ft above land-surface datum, Sep. 5, 1986 to Sep. 6, 1986; Top of shelf, 4.0 ft above land-surface datum, Jul. 6, 1987 to present.
PERIOD OF RECORD - July 1987 to current year.
GAGE - Water level recorder.
EXTREMES FOR PERIOD OF RECORD - The highest water level for the analyzed period was 101.12 Feet Below Land Surface (Recorder) on April 05, 2021; lowest, 141.36 ft below land surface datum, Sep 6-7, 1995.