USGS Water-Year Summary 2024
390002074541002 090304 Airport Rio Grande Obs NJ Permit Number 37-03763-3
Northern Atlantic Coastal Plain aquifer system
Kirkwood Formation, Upper Sand
LOCATION - Lat 39°00'02", long 74°54'10" referenced to North American Datum of 1927, Lower Township, Cape May County, NJ, Hydrologic Unit 02040302, at the Cape May County Airport.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 510 ft. Upper casing diameter 4 in; top of first opening 495 ft, bottom of last opening 505 ft. Drilled artesian well.
DATUM - Land-surface datum is 25 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of protective casing, 2.50 ft above land-surface datum, Jul. 1, 2002 to present.
PERIOD OF RECORD - February 1990 to October 1992, July 2000 to current year.
GAGE - Water-level recorder.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 32.21 ft below land surface datum, Mar 18, 1990; lowest, 53.98 ft below land surface datum, Aug 17, 2010.