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USGS 01304500 PECONIC RIVER AT RIVERHEAD NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 40°54'49.3", long 72°41'13.0" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, on right bank 200 ft downstream from Long Island Power Authority dam, 0.4 mi west of Riverhead, and 1.2 mi upstream from outlet of Sweezy Pond.
DRAINAGE AREA.--74.7 mi².
PERIOD OF RECORD.--June 1942 to current year.
REVISIONS HISTORY.--WDR-US-2009: Drainage area.
GAGE.--Water-stage recorder and concrete control. Datum of gage is 6.54 ft above NGVD of 1929 and 5.58 ft above NAVD of 1988 (VERTCON).
REMARKS.--Flow regulated by ponds above station.
Water Years 2014-23: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 225 ft³/s, Jan. 30, 1978, gage height, 1.20 ft, result of regulation; maximum gage height, 2.33 ft, Dec. 11, 1992, result of storm tide; minimum discharge, 1.4 ft³/s, Jan. 9, 1966, Jan. 31, 1967, Dec. 6, 1969, Jan. 27, 1972, Dec. 10, 11, 1977, all result of freezeup; minimum gage height, 0.07 ft, Feb. 10, 2017, result of freezeup.
> Rating Information
This station managed by the NY Water Science Center Coram.

Available Parameters Period of Record
  
1942-06-21  2024-03-28







 (365)
 

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


Discharge, cubic feet per second


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