USGS Water-Year Summary 2021
01563500 JUNIATA RIVER AT MAPLETON DEPOT, PA
LOCATION - Lat 40°23'32", long 77°56'07" referenced to North American Datum of 1927, Huntingdon County, PA, Hydrologic Unit 02050304, on right bank 0.2 mi downstream from Scrub Run, and 0.3 mi downstream from bridge on State Highway 655 at Mapleton Depot.
DRAINAGE AREA - 2,030 mi².
- WDR PA-73-1: 1936(M).
PERIOD OF RECORD - October 1937 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 557.31 ft above National Geodetic Vertical Datum of 1929. Satellite and landline telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey. Funding for this station is provided by the U.S. Army Corps of Engineers, Baltimore District, the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Mar 18, 1936, reached a stage of 38.2 ft, from floodmark, discharge, 165,000 ft³/s from rating curve extended above 39,000 ft³/s on basis of runoff comparison with upstream and downstream stations.