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Water-Year Summary for Site 400210074031002

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
72019 Water level, depth LSD(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
400210074031002 290504-- Mantoloking 17
Northern Atlantic Coastal Plain aquifer system
Magothy-Raritan-Potomac Aquifer System, Upper Aquifer
LOCATION - Lat 40°02'10.8", long 74°03'09.8" referenced to North American Datum of 1927, Mantoloking Borough, Ocean County, NJ, Hydrologic Unit 02040301, Bay Ave.
WELL CHARACTERISTICS - Depth 1,369 ft. Upper casing diameter 8 in; top of first opening 1,263 ft, bottom of last opening 1,368 ft. Drilled artesian well.
DATUM - Land-surface datum is 5 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 8 inch steel casing, 4.1 ft above land-surface datum, Jan. 13, 2014 to present.
PERIOD OF RECORD - October 1978 to current year.
GAGE - Water-level recorder.
REMARKS - Water level is affected by tidal fluctuation.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 22.70 ft below land surface datum, Oct 25, 1993; lowest, 43.16 ft below land surface datum, Sep 29, 2015.