USGS Water-Year Summary 2024
03062998 Monongahela R L&D8 (Upper Pool) @ Point Marion, PA
LOCATION - Lat 39°43'42.1", long 79°54'40.1" referenced to North American Datum of 1927, Greene County, PA, Hydrologic Unit 05020005, on left bank, 0.7 miles upstream from bridge on state highway 88, and 1.5 miles downstream of power plant.
DRAINAGE AREA - unknown
REVISIONS HISTORY - Revisions: The datum of gage was erroneously reported as 790 ft above National Geodetic Vertical Datum of 1929 prior to February 15, 2024
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 2002 to current year.
GAGE -
Water stage recorder with reference staff gage. Datum of gage is 787.65 ft above North American Vertical Datum of 1988. Prior to February 15, 2024, the datum of gage was reported as 788.00 ft above National Geodetic Vertical Datum of 1929 (NGVD29) or erroneously reported as 790 ft above NGVD29 depending on source. Telemetry at site.
COOPERATION - Station established and maintained by the U.S. Geological Survey National Streamflow Information Program in cooperation with the U.S. Army Corps of Engineers, Pittsburgh District