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USGS 404932073055902 S 33380. 1

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 40°49'32", long 73°05'59" referenced to North American Datum of 1927, Suffolk County, NY, Hydrologic Unit 02030202, at Duncan Avenue and Portion Road, in pumping center, in recorder shelter, Lake Ronkonkoma.
WELL CHARACTERISTICS.--Depth 855 ft. Upper casing diameter 4 in; top of first opening 840 ft, bottom of last opening 850 ft. Datum of gage is NGVD of 1929.
PERIOD OF RECORD.--October 1968 to current year. Unpublished records for October 1968 to September 1975 are available in files of the U.S. Geological Survey.
GAGE.--Water-level recorder installed August 1986; 15-minute recording interval. Periodic manual measurements made by USGS personnel.
REMARKS.--Water level affected by nearby pumping. Cellular water-level telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Highest water level recorded, 54.81 ft above NGVD 29, May 14 and 15, 2010; lowest recorded, 43.06 ft above NGVD 29, August 28, 2017.
> Rating Information
This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
  
2007-10-01  2024-11-22








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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: 49.56 11-22-2024   01:00 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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