Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

USGS 03049500 Allegheny River at Natrona, PA

  Stream Site

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.
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2014-12-22  
 Daily Data
    Discharge, cubic feet per second  1938-10-01  2014-12-21  27841 
 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  2014-10-23  491 
 Field/Lab water-quality samples 1957-11-18  1981-09-25  33 
 Water-Year Summary 2006  2013  8 

Additional Data Sources

Begin Date

End Date

 Instantaneous-Data Archive  **offsite** 1991-12-15  2007-09-30  155198 
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

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.