Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
01610000 POTOMAC RIVER AT PAW PAW, WV
LOCATION - Lat 39°32'19.9", long 78°27'20.2" referenced to North American Datum of 1983, Allegany County, MD, Hydrologic Unit 02070003, near left bank at upstream side of bridge on Maryland State Highway 51 at Paw Paw, 3.3 mi downstream from Little Cacapon River, and at mile 277.
DRAINAGE AREA - 3,129 mi².
REVISIONS HISTORY - WDR WV-97-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1938 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 487.21 ft above North American Vertical Datum of 1988. Prior to Mar. 25, 1939, nonrecording gage at bridge 250 ft downstream at same gage datum. March 25, 1939 to March 13, 2019 at site 250 ft upstream at same datum.
REMARKS - Water Years 2022-2023: Records good, except those for estimated discharges, which are poor.
Water Year 2021: Records good. No estimated discharges.
Water Years 2017-2020: Records good, except those for estimated discharges, which are poor.
Water Years 2014-2016: Records good, except those for estimated daily discharges, which are poor.
Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.
Low flow affected by Stony River Reservoir prior to July 1981, since December 1950 by Savage River Reservoir (see station 01597500), and since July 1981 by Jennings Randolph Lake. U.S. Army Corps of Engineers satellite data-collection platform at station.
Low flow affected by Stony River Reservoir prior to July 1981, since December 1950 by Savage River Reservoir (see station 01597500), and since July 1981 by Jennings Randolph Lake. U.S. Army Corps of Engineers satellite data-collection platform at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known, 54.0 ft on Mar. 18, 1936, discharge, 240,000 ft³/s, from rating curve extended above 85,000 ft³/s on basis of slope-area measurement of peak flow at site 5.0 mi upstream at Okonoko, WV.
