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USGS 01620000 POTOMAC RIVER AT HARPERS FERRY, WV

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 39°19'25.0", long 77°43'43.0", Washington County, Md., Hydrologic Unit 02070004,
   on railroad bridge near right bank, at  confluence with Shenandoah River, and at mile 173.
DRAINAGE AREA.--6,313 mi2 (9,367 mi2 including the Shenandoah River).
PERIOD OF RECORD.--November 1889 to current year. Gage-height record  only, and some periods have only
   occasional gage readings. Valid data are only reported from this station for stages greater than about
   3.5 feet. Data available from National Weather Service, National Park Service, or U.S. Geological Survey.
GAGE.--Water-stage recorder.  Datum of gage is 245.53 ft above National Geodetic Vertical Datum of 1929.
REMARKS.--Some regulation at low flow by power plants upstream from station, prior to July 1981 by
   Stony River Reservoir, since December 1950 by Savage River Reservoir (see station 01597500), and since July
   1981 by Jennings Randolph Lake.  National Weather Service gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 36.50 ft, Mar. 19, 1936.
COOPERATION.--This station is operated by the National Weather Service.
This station managed by the MD-DE-DC Water Science Center Frostburg office.

Available Parameters Period of Record
  
2024-12-20  2025-10-12






 (365)
 

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