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USGS 410438072213201 S 73974. 1

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 41°04'39.2", long 72°21'23.0" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at Shelter Island Country Club and Golf Course, west side of fairway to 6th green, at edge of woods, 3,000 ft north of West Neck Road, Shelter Island.
WELL CHARACTERISTICS.--Depth 42 ft. Upper casing diameter 2 in; top of first opening 40 ft, bottom of last opening 42 ft.
DATUM.--Land-surface datum is 38.5 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 0.53 ft above land-surface datum, 39.03 ft above land-surface datum, Mar. 19, 1990 to present.
PERIOD OF RECORD.--March 1990 to current year.
GAGE.--Measurement with chalked steel tape by United States Geological Survey personnel.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 10.12 ft above NGVD of 1929, Apr. 20, 2010; lowest measured, 4.25 ft above NGVD of 1929, Sept. 26, 2002.
> Rating Information
Available Parameters Available Period
  
2022-09-27  2024-11-21








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Summary of all available data for this site
Instantaneous-data availability statement

Groundwater level above NGVD 1929, feet
Most recent instantaneous value: 6.34 11-21-2024   13:00 EST
Graph of Groundwater level above NGVD 1929, feet

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Field Visit data are no longer available on this page, please go to the new Monitoring Location pages to see the field visit data graphed with the time series data. See this graph on the Monitoring Location Pages

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