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USGS 410349072222201 S 51169. 1

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 41°03'49.8", long 72°22'20.5" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at west side of Rocky Point Avenue, 400 ft south of Belvedere Avenue, West Neck, Shelter Island.
WELL CHARACTERISTICS.--Depth 56 ft. Upper casing diameter 6 in; top of first opening 44 ft, bottom of last opening 54 ft.
DATUM.--Land-surface datum is 32.3 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of steel flange, 1.82 ft below land-surface datum, 30.48 ft above National Geodetic Vertical Datum of 1929, Oct. 22, 1969 to present.
PERIOD OF RECORD.--June 1974 to current year.
GAGE.--Water level recorder installed November 2022 to June 2024; 15-minute recording interval. Periodic manual measurements by USGS personnel.
REMARKS.--Water level affected by tidal fluctuation.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 4.47 ft above NGVD of 1929, Apr. 7, 2010; lowest measured, 0.98 ft above NGVD of 1929, Dec. 21, 1976.
> Rating Information
Available Parameters Available Period
  
2022-11-08  2024-06-12








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Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.