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USGS 03085000 Monongahela River at Braddock, PA

PROVISIONAL DATA SUBJECT TO REVISION

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STATION.--03085000 MONONGAHELA RIVER AT BRADDOCK, PA
LOCATION.--Lat 40`23'28", long 79`51'30", Allegheny County, Hydrologic Unit 05020005, near right bank on river guide wall 300 ft upstream from dam at lock 2 at Braddock, 1,700 ft downstream from Turtle Creek, and 11.2 mi upstream from confluence with Allegheny River.
DRAINAGE AREA.--7,337 mi2.
PERIOD OF RECORD.--October 1938 to current year. Monthly discharge only for some periods, published in WSP 1305.
GAGE.--Water-stage recorder and fixed-crest concrete dam control with streamward lock chamber usable as floodway during high flow since 1951. Datum of gage is 709.66 ft above sea level (U.S. Army Corps of Engineers bench mark). Prior to Aug. 13, 1951, at site 700 ft upstream, and Aug. 13, 1951 to Nov. 8, 1990 at present site at datum 2.50 ft lower.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Action stage-18.2 ft; Flood stage-22 ft; Moderate flood stage-23 ft; Major flood stage-24 ft.
REMARKS.--Flow regulated by locks and hydroelectric plants, since 1938 by Tygart Lake, since 1926 by Lake Lynn, since 1925 by Deep Creek Reservoir, and since 1943 by Youghiogheny River Lake, combined capacity, 704,300 acre-ft. U.S. Army Corps of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 18, 1936 reached a stage of 38.8 ft from floodmarks, discharge, 210,000 ft3/s.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Pittsburgh District.
This station managed by the PAWSC Pittsburgh Field Office.

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00065 Gage height 2014-07-27  2014-11-24

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Gage height, feet

Most recent instantaneous value: 12.20   11-24-2014  19:45 EST
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