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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
390425074544601 090089 Oyster Lab 4 Obs NJ Permit Number 37-00158
Northern Atlantic Coastal Plain aquifer system
Cohansey Sand
Cohansey Sand
LOCATION - Lat 39°04'25", long 74°54'46" referenced to North American Datum of 1927, Middle Township, Cape May County, NJ, Hydrologic Unit 02040206, at the Rutgers Oyster Laboratory, near Green Creek. Route to the trailer park (Delsea Woods Community) you have to drive through to get to the station at 295 S Delsea Dr, Cape May Court House, NJ 08210, then drive all the way to the beach. Park near the two Research buildings located to the right if you are facing the water and the well is to the left. Updated coordinates as of December 2016: 39.07383200 -74.91227300
REVISIONS HISTORY - Period 7/4/2023 - 9/25/2023 revised because the multipoint correction applied did not align the hydrograph to the published steel tape readings from the site visit on 9/11/2023, and the difference surpassed the revision threshold. The hydrograph now passes through the selected reading and the correction is carried through. - smaassen, 8/7/2024
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 210 ft. Upper casing diameter 6 in; top of first opening 195 ft, bottom of last opening 210 ft. Drilled artesian well.
DATUM - Land-surface datum is 7.37 ft above National Geodetic Vertical Datum of 1929. Measuring point: Transfer MP created for migration, 0 ft above land-surface datum, Sep. 5, 1957 to Nov. 18, 1983; BOTTOM OF CUTOUT IN PVC CASING, 3.95 ft above land-surface datum, Nov. 17, 1983 to Nov. 18, 1983; Front edge of cutout in pvc housing, 3.9 ft above land-surface datum, Aug. 1, 1985 to present.
PERIOD OF RECORD - August 1957 to current year.
GAGE - Water-level recorder.
REMARKS - Water level is affected by tidal fluctuation and nearby pumping.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 2.07 ft below land surface datum, Apr 3, 1958; lowest, 15.71 ft below land surface datum, between Jun 4 and Sep 30, 1986.
