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USGS 404030073293703 N 180. 2

PROVISIONAL DATA SUBJECT TO REVISION

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This station is operated in cooperation with:
   Nassau County Department of Public Works


> Site Information
LOCATION.--Lat 40°40'30", long 73°29'37" referenced to North American Datum of 1927, Nassau County, NY, Hydrologic Unit 02030202, at Long Island Railroad track embankment, 200 ft north of Sunrise Highway (State Route 27), west of Seaford-Oyster Bay Expressway (State Route 135), Seaford.
WELL CHARACTERISTICS.--Depth 723 ft. Upper casing diameter 4 in; top of first opening undefined, bottom of last opening undefined. Screen assumed at bottom. Datum of gage is NGVD of 1929.
PERIOD OF RECORD.--June 1952 and April 1957 to March 2011, October 2012 to current year.
GAGE.--Water-level recorder installed September 2003; 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, 21.08 ft above NGVD 29, June 6, 1952; lowest recorded, 7.97 ft above NGVD 29, August 28, 2016.
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> Rating Information
This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
  
2007-10-01  2021-09-24








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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: 15.87 09-24-2021   22:00 EST
Graph of  Groundwater level above NGVD 1929, feet

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