USGS Water-Year Summary 2020
01556000 FRANKSTOWN BRANCH JUNIATA RIVER AT WILLIAMSBURG, PA
LOCATION - Lat 40°27'47", long 78°12'00" referenced to North American Datum of 1927, Blair County, PA, Hydrologic Unit 02050302, on left bank 10 ft downstream from highway bridge on SR 2015 at Williamsburg, and 2.5 mi upstream from Clover Creek.
DRAINAGE AREA - 291 mi².
- WSP 756: Drainage area. WDR PA-71-1: 1954(M), 1960(M), 1961(M). WDR PA-77-2: 1936-39(M).
PERIOD OF RECORD - October 1916 to current year.
GAGE - Water-stage recorder. Datum of gage is 831.78 ft above National Geodetic Vertical Datum of 1929 (Penn Central Railroad bench mark). Prior to Aug 14, 1928, nonrecording gage at same site and datum. Satellite and landline telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the Pennsylvania Department of Environmental Protection and the U. S. Geological Survey through the National Streamflow Information Program.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Jun 1, 1889, reached a stage of 19.1 ft, from floodmark, discharge, about 35,500 ft³/s.