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USGS 03075070 Monongahela River at Elizabeth, PA

 

PROVISIONAL DATA SUBJECT TO REVISION
 
 
 
STATION.--03075070 MONONGAHELA RIVER AT ELIZABETH, PA
LOCATION.--Lat 40`15'44", long 79`54'05", Allegheny County, Hydrologic Unit 05020005, on right bank 30 ft landward from upstream end of guide wall, 1,050 ft upstream from dam at lock 3 at Elizabeth, 0.4 mi downstream from Lobbs Creek, and at mile 24.0.
DRAINAGE AREA.--5,340 mi2.
PERIOD OF RECORD.--October 1933 to current year. Published as "at Charleroi" (station 03075000) October 1933 to September 1976. Monthly discharge prior to 1940, adjusted for reservoir contents, published in WSP 1305. Records for March 1886 to March 1905 (high-water periods, only), published in WSP 169, are unreliable and should not be used (peak discharge of July 11, 1888, as published in WSP 183, is still considered reliable).
GAGE.--Water-stage recorder and concrete dam control. Datum of gage is 717.90 ft above sea level (U.S. Army Corps of Engineers bench mark). From Oct. 1, 1967 to Sept. 30, 1976, at site 17.5 mi upstream at datum 15.70 ft higher. Prior to Oct. 1, 1967, water-stage recorder at site 17.9 mi upstream at datum 17.43 ft higher. Oct. 1, 1965 to Sept. 30, 1967, auxiliary staff gage, Apr. 14, 1966 to Sept. 30, 1967, auxiliary water-stage recorder and Oct. 1, 1967 to Nov. 4, 1990, water-stage recorder at present site at datum 7.60 ft higher.
REMARKS.--Flow regulated by locks above station, since 1938 by Tygart Lake, and since 1926 by Lake Lynn, combined capacity, 357,000 acre-ft. U.S. Army Corps of Engineers satellite telemeter at station.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, the Pennsylvania Department of Environmental Protection, and the U.S. Geological Survey.
 
 

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Gage height, feet
Most recent value: 10.63   11-19-2004  08:30
Graph of Gage height, feet
Download a presentation-quality graph Parameter Code 00065; DD 03

Discharge, cubic feet per second
Most recent value: 3,920   11-19-2004  08:30
Graph of Discharge, cubic feet per second
Download a presentation-quality graph Parameter Code 00060; DD 04
Daily mean flow statistics for 11/19 based on 70 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
3,920  296 5,622 22,200 2,182 4,295 8,112

Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 11/19 have been greater than the value shown.
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Retrieved on 2004-11-19 11:26:12 EST
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