PROVISIONAL DATA SUBJECT TO REVISION |
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STATION.--03041500 CONEMAUGH RIVER AT SEWARD, PA LOCATION.--Lat 40`25'09", long 79`01'35", Westmoreland County, Hydrologic Unit 05010007, on left bank at upstream side of bridge on State Highway 56 at Seward, 2.0 mi downstream from Findley Run, and 9 mi northwest of Johnstown. DRAINAGE AREA.--715 mi2. PERIOD OF RECORD.--May 1938 to current year. GAGE.--Water-stage recorder. Datum of gage is 1,076.01 ft above sea level. REMARKS.--Flow regulated by steel mills and reservoirs above station; the eight most effective reservoirs have a combined capacity of 51,850 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 26.4 ft, from floodmarks, discharge, 75,000 ft3/s, by contracted-opening measurement at site 6.7 mi downstream, adjusted for inflow. FLOOD STAGE.--NOAA, National Weather Service river forecast station flood stage provided to USGS April 1999 is 12 feet. 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 |
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Discharge, cubic feet per second |
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