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> Site Information
LOCATION.--Lat 40°49'49", long 72°54'22" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, on left bank 50 ft upstream from Long Island Railroad bridge, 0.6 mi northeast of Yaphank Station, and 0.7 mi southeast of Yaphank.
DRAINAGE AREA.--73.1 mi².
PERIOD OF RECORD.--June 1942 to current year.
REVISIONS HISTORY.--2002 (M). WDR-US-2009: Drainage area.
GAGE.--Water-stage recorder and concrete control. Datum of gage is 17.95 ft above NGVD of 1929 and 16.92 ft above NAVD of 1988 (VERTCON). Prior to Feb. 2, 1967, at datum 1.00 ft higher.
REMARKS.--Some regulation by two lakes upstream from station.
Water Years 2014-20: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 165 ft³/s, Oct. 15, 2005, gage height, 2.19 ft; minimum discharge, 2.8 ft³/s, Feb. 24, 1967, gage height, 0.73 ft, result of temporary construction upstream.
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> Rating Information
This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
2007-10-01  2021-11-03
2007-10-01  2021-11-03


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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.