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The National Weather Service is currently experiencing problems with their equipment at this station. They hope to have the problem resolved as soon as possible.
STATION.--01620000 POTOMAC RIVER AT HARPERS FERRY, WV
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.--Funding for the operation of this station is provided by the National Weather Service,
National Park Service, and the U.S. Geological Survey.
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