USGS Water-Year Summary 2024
405531074361901 270027 Berkshire Valley 9 Obs NJ Permit Number 25-22024
Sand and gravel aquifers (glaciated regions)
Stratified Drift
LOCATION - Lat 40°55'31", long 74°36'19" referenced to North American Datum of 1927, Jefferson Township, Morris County, NJ, Hydrologic Unit 02030103, about 1,000 ft east of the intersection of Lower Berkshire Valley Rd. and Minnisink Rd.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 98 ft. Upper casing diameter 6 in; top of first opening 78 ft, bottom of last opening 98 ft. Drilled observation well.
DATUM - Land-surface datum is 725.64 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 2.25 ft above land-surface datum, Apr. 12, 1982 to present.
PERIOD OF RECORD - November 1981 to current year.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 7.89 ft below land surface datum, Aug 13, 2000; lowest, 14.01 ft below land surface datum, Aug 13, 1999.