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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
400832074082101 250429 Allaire State Park C Obs NJ Permit Number 29-04140
Northern Atlantic Coastal Plain aquifer system
Englishtown Formation
Englishtown Formation
LOCATION - Lat 40°08'34", long 74°08'34" referenced to North American Datum of 1927, Howell Township, Monmouth County, NJ, Hydrologic Unit 02040301, about 1.3 mi southeast of Lower Squankum off County Rt. 21/Allenwood Road, Allaire State Park. Small area to park near intersection.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 633 ft. Upper casing diameter 6 in; top of first opening 623 ft, bottom of last opening 633 ft. Drilled artesian well.
DATUM - Land-surface datum is 97.93 ft above National Geodetic Vertical Datum of 1929. Measuring point: Transfer MP created for migration, 0 ft above land-surface datum, Dec. 26, 1963 to Mar. 2, 2005; Top of well seal, 1.54 ft above land-surface datum, Mar. 1, 2005 to present.
PERIOD OF RECORD - February 1964 to current year.
GAGE - Water-level recorder.
REMARKS - This well is part of the 5-year Coastal Plain Synoptic. Well also part of the 2015-2017 Colts Neck Water-Level Synoptic.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 122.69 ft below land surface datum, May 19, 2010; lowest, 249.89 ft below land surface datum, between Jun 24 and Sep 28, 1988.
