USGS 03049500 Allegheny River at Natrona, PA
STATION.--03049500 ALLEGHENY RIVER AT NATRONA,
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 square miles.
PERIOD OF RECORD.--October 1938 to current year.
GAGE.--Water-stage recorder and concrete dam control.
Datum of gage is 736.36 ft above National Geodetic Vertical Datum of
1929. (U.S. Army Corps of Engineers bench mark). Prior to Apr. 14,
1940, non-recording gage and Apr. 15, 1940 to Oct. 22, 1990,
water-stage recorder at same site at datum 0.75 ft higher. Satellite
telemetry at station.
COOPERATION.--Station established and maintained by
the U.S. Geological Survey. Funding for the operation of this station
is provided by the Pennsylvania Department of Environmental Protection,
the U.S. Army Corps of Engineers, Pittsburgh District and the U.S.
Geological Survey through the National Streamflow Information Program
and the Cooperative Water Program.
REMARKS.--Sharp rises and drops in gage height
displayed on graphs for some of the Allegheny River gages are caused by
hydroelectric power producers passing relatively large amounts of
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Action stage-17.2 ft; Flood stage-21
ft; Moderate flood stage-24 ft; Major flood stage-26 ft.
This station managed by the PAWSC Pittsburgh Field Office.
Summary of all available data for this site
Instantaneous-data availability statement
Most recent instantaneous value: 14.09 03-27-2015 11:15 EDT
Most recent instantaneous value: 41,000 03-27-2015 11:15 EDT
Daily discharge, cubic feet per second -- statistics for Mar 27 based on 76 years of record more
|Median ||Mean ||Most Recent |
Value Mar 27
|8220 ||25600 ||34400 ||38200 ||41000 ||45600 ||102000
Most recent instantaneous value: 0.00 03-27-2015 11:15 EDT