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USGS 03057000 TYGART VALLEY RIVER AT COLFAX, WV

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 39°26'06", long 80°07'58", 
      referenced to North American Datum of 1927, Marion County, WV, Hydrologic Unit 05020001, 
      downstream side of right abutment of highway bridge at Colfax, 300 ft upstream from Guyses Run 
      and 6 mi upstream from confluence with West Fork River.
DRAINAGE AREA.--1,363 mi2, including that of Guyses Run.
PERIOD OF RECORD.--June 1939 to September 1995 (daily discharge and annual maxima), 
      October 1995 to September 2002 (annual maxima), October 2002 to September 2008 (annual maximum gage height), 
      October 2008 to September 2009 (annual maximum and minimum gage height). 
      Prior to October 1960 published as Tygart River at Colfax.
REVISED RECORDS.--WSP 1083: 1942(M), WSP 1335: 1941, WDR WV-97-1: Drainage area.
GAGE.--Water-stage recorder with satellite telemeter. Datum of gage is 855.68 ft above NAVD 88 
      (856.27 ft above NGVD 29). Auxiliary water-stage recorder Jan. 19, 1945 to Sept. 30, 1985, 
      at site 5.7 mi at datum 856.43 ft above NAVD 88 (856.99 ft above NGVD 29).
REMARKS.--Flow regulated since June 1938, by Tygart Lake. Possible 
        backwater from West Fork River at times.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of 1888 reached a stage of 39.6 ft at site 1,100 ft downstream, 
      present datum, from information by local resident. The stage on that day was probably affected by 
      backwater from West Fork River.
PERIOD OF RECORD (WQ).--March 2009 to current year.
PERIOD OF DAILY RECORD (WQ).--SPECIFIC CONDUCTANCE: March 2009 to current year.
      pH: March 2009 to current year.
      WATER TEMPERATURE: March 2009 to current year.
INSTRUMENTATION (WQ).--Water-quality monitor March 2009 to current year. 
      Water-quality monitor operated year round.

This gaging station is maintained in cooperation with:
        U.S. Army Corps of Engineers, Pittsburgh District
Continuous water-quality monitor maintained in cooperation with:
        West Virginia Department of Environmental Protection, 
        Division of Water and Waste Management

        Real-time stage data are available for the previous 31 days
        Recent data (daily) are available for the previous 18 months
                RECENT DATA ARE NOT ARCHIVED BEYOND 18 MONTHS

Current shift adjusted stage-discharge rating table. These tab delimited tables are updated daily and can change frequently. If you use these ratings, it is important that you update often so that you have the most current version.
What is a shift adjusted stage-discharge rating?

This station managed by the Charleston Field Office.

Available Parameters Period of Record
All 4 Available Parameters for this site
  
00060 Discharge(Mean) 1939-06-01  2013-12-18
00010 Temperature, water(Max.,Min.,Mean) 2009-04-01  2014-09-17
00095 Specific cond at 25C(Max.,Min.,Mean) 2009-04-01  2014-09-17
00400 pH(Max.,Min.,Med.) 2009-04-01  2014-09-17

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Discharge, cubic feet per second

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