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Water-Year Summary for Site 01616500

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
01616500 OPEQUON CREEK NEAR MARTINSBURG, WV
LOCATION - Lat 39°25'25", long 77°56'20" referenced to North American Datum of 1927, Berkeley County, WV, Hydrologic Unit 02070004, on right bank 300 ft upstream from Evans Run, 2.3 mi upstream from Tuscarora Creek, 3.0 mi southeast of Martinsburg, and at mile 11.6.
DRAINAGE AREA - 272 mi².
REVISIONS HISTORY - WSP 1702: 1959. WDR WV-97-1: Drainage area, 1936(M), 1967(M), 1968(P), 1969(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1905 to June 1906 (monthly mean discharge published in WSP 1302, and annual maximum published in WSP 1672), July 1947 to current year.
GAGE - Water-stage recorder. Datum of gage is 354.668 ft above NAVD of 1988. July 23, 1947 to July 22, 1948, nonrecording gage at present site and datum. Prior to July 1906, nonrecording gage at approximately the same site at different datum.
REMARKS - Maximum discharge, 23,400 ft³/s, from rating curve extended above 7,100 ft³/s. Some diurnal fluctuation at low flow caused by upstream mills in Virginia and since July 18, 1988, by wastewater treatment plant, 1,000 ft upstream from Opequon Creek near Berryville, VA (01615000); drainage area 57.4 mi².
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in March 1936 reached a stage of about 17.5 ft, from information by local residents, estimated discharge, 19,100 ft³/s.
WATER-QUALITY RECORDS
PERIOD OF RECORD - June 2005 to current year.
COOPERATION - This site is sampled as part of the Chesapeake Bay Program's Non-Tidal Monitoring Network in cooperation with the West Virginia Department of Environmental Protection, Division of Water and Waste Management.