USGS Water-Year Summary 2023
03063000 MONONGAHELA RIVER AT LOCK & DAM 8, AT POINT MARION, PA
LOCATION - Lat 39°43'37", long 79°54'42" referenced to North American Datum of 1927, Fayette County, PA, Hydrologic Unit 05020003, on left bank, 1.1 miles upstream from state highway bridge 88, and 1.15 miles downstream from power plant.
DRAINAGE AREA - 2,720 mi².
PERIOD OF RECORD - September 2016 to current year.
GAGE - Water stage recorder with reference staff gage. Datum of gage is 769.00 ft above National Geodetic Vertical Datum of 1929 (U.S. Army Corps of Engineers). Satellite telemetry at site.
COOPERATION - Station is maintained by the US Geological Survey with funding from the Army Corp of Engineers.