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  • Additional information:
  • The West Virginia Water Science Center has transitioned to a new data management software package. While you may not have noticed this transition, some sites may have problems or delays in being updated. We are actively monitoring these conditions and are resolving them as quickly as possible. See the Dec 8 news entry for more information at: https://help.waterdata.usgs.gov/news


USGS 01618000 POTOMAC RIVER AT SHEPHERDSTOWN, WV

PROVISIONAL DATA SUBJECT TO REVISION

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Click for larger imageClick for larger image LOCATION.--Lat 39°26'05.0", long 77°48'05.0", Jefferson County, Hydrologic Unit 02070004, on right bank, 0.1 mi downstream from Rumsey Bridge at Shepherdstown, 3.3 mi upstream from Antietam Creek, and at mile 184.
DRAINAGE AREA.--5,953 mi2, from automated delineation using 30-meter National Elevation Dataset digital elevation model data, dated December 2011.
PERIOD OF RECORD.--August 1928 to September 1993. October 2000 to September 2004. September 2016 to current year.
REVISED RECORDS.--WSP 756: Drainage area. WSP 781: 1929(M). OFR 95-0292: Drainage area. waterdata.usgs.gov/nwis/inventory/?site_no=01618000 (2016): Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 280.26 ft above North American Vertical Datum of 1988.
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. Water-quality records for some prior periods have been collected at this location. U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 335,000 ft3/s, from rating curve extended above 200,000 ft3/s, on the basis of slope-area measurement of peak flow, Mar. 19, 1936, gage height, 42.10 ft; minimum discharge, 170 ft3/s, Aug. 1, 1966.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 1889 reached a stage of 39.2 ft, from floodmarks, discharge, about 290,000 ft3/s. Flood of May 1924 reached a stage of 29.8 ft, from floodmarks, discharge, about 168,000 ft3/s.
COOPERATION.--Funding for the operation of this station is provided by the Interstate Commission on the Potomac River Basin, the Metropolitan Washington Council of Governments and the U. S. Geological Survey.
This station managed by the MD-DE-DC Water Science Center Frostburg office.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1990-10-01  2017-07-23
00065 Gage height 2016-09-20  2017-07-23

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 1690 07-23-2017   05:30 EST
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Daily discharge, cubic feet per second -- statistics for Jul 23 based on 70 years of record more
Min
(1966)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Jul 23
Mean 75th
percen-
tile
Max
(1989)
482 970 1580 1690 2290 2570 15100


Gage height, feet

Most recent instantaneous value: 2.24 07-23-2017   05:30 EST
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