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USGS 03049500 Allegheny River at Natrona, PA

  Stream Site

DESCRIPTION:
Latitude 40°36'55",   Longitude 79°43'07"   NAD27
Allegheny County, Pennsylvania, Hydrologic Unit 05010009
Drainage area: 11,410 square miles
Datum of gage: 736.36 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2014-09-20  
 Daily Data
    Discharge, cubic feet per second  1938-10-01  2014-09-19  27748 
 Daily Statistics 
    Discharge, cubic feet per second  1938-10-01  2014-07-22 27689 
 Monthly Statistics 
    Discharge, cubic feet per second  1938-10  2014-07  
 Annual Statistics 
    Discharge, cubic feet per second  1939  2014  
 Peak streamflow 1936-03-18  2013-04-13  76 
 Field measurements 1900-08-21  2014-07-22  490 
 Field/Lab water-quality samples 1957-11-18  1981-09-25  33 

Additional Data Sources

Begin Date

End Date

Count
 Instantaneous-Data Archive  **offsite** 1991-12-15  2007-09-30  155198 
 Annual Water-Data Report (pdf)  **offsite** 2006  2013  8 
OPERATION:
Record for this site is maintained by the USGS Pennsylvania Water Science Center
Email questions about this site to Pennsylvania Water Science Center Water-Data Inquiries
ADDITIONAL INFORMATION

STATION.--03049500 ALLEGHENY RIVER AT NATRONA, PA
LOCATION.--Lat 40`36'55", long 79`43'07", Allegheny County, Hydrologic Unit 05010009, on right bank 520 ft upstream from dam at lock 4 at Natrona, 5.8 mi downstream from Kiskiminetas River, and at mile 24.3.
DRAINAGE AREA.--11,410 mi2, approximately.
PERIOD OF RECORD.--October 1938 to current year.
GAGE.--Water-stage recorder and concrete dam control. Datum of gage is 736.36 ft above sea level (U.S. Army Corps of Engineers bench mark). Prior to Apr. 14, 1940, nonrecording gage and Apr. 15, 1940 to Oct. 22, 1990, water-stage recorder at same site at datum 0.75 ft higher.
REMARKS.--U.S. Army Corps of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 18, 1936 reached a stage of 32.06 ft, discharge, 365,000 ft3/s, determined by U.S. Army Corps of Engineers.
FLOOD STAGE.--NOAA, National Weather Service river forecast station flood stage provided to USGS April 1999 is 21 feet.
COOPERATION.--Funding for the operation of this station is provided by the Pennsylvania Department of Environmental Protection, the U.S. Army Corps of Engineers, and the U.S. Geological Survey.