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USGS 404935073055901 S 33379. 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 west recorder shelter, Lake Ronkonkoma.
WELL CHARACTERISTICS.--Depth 1,305 ft. Upper casing diameter 4 in; top of first opening 1,290 ft, bottom of last opening 1,300 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 Unpublished records for October 1968 to September 1975 are available in files of the U.S. Geological Survey.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 measured, 40.92 ft above NGVD 29, June 5, 1979; lowest recorded, 32.33 ft above NGVD 29, October 3, 2017.
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> Rating Information
This station managed by the NY Water Science Center Coram.

Available Parameters Period of Record
  
1986-08-02  2022-06-20








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Groundwater level above NGVD 1929, feet


Graph of DAILY Groundwater level above NGVD 1929, feet

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