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LOCATION.--Lat 38°22'17", long 81°42'08", referenced to North American Datum of 1927, Kanawha County, WV, Hydrologic Unit 05050008, on left bank at old lock 6, 1.0 mi upstream from Davis Creek, 1.5 mi downstream from Twomile Creek, 2.0 mi downstream from Patrick Street Bridge at Charleston, 3.5 mi downstream from Elk River, and at mile 54.5. Auxiliary gage at lat 38°21'40", long 81°39'45", 0.3 mi upstream from Patrick Street Bridge at Charleston, 1.2 mi downstream from Elk River, 2.3 mile upstream from base gage at old lock 6, and at mile 56.8. DRAINAGE AREA.--10,448 mi2. PERIOD OF RECORD.--June 1939 to current year (daily discharge and annual maxima, monthly discharge only September 1939 to February 1940 published in WSP 1305). REVISED RECORDS.--WSP 1335: 1943. GAGE.--Water-stage recorder with satellite telemeter. Datum of gage is 547.41 ft above NAVD 88 (GEOID09 refinement, levels by U.S. Army Corps of Engineers), 548.00 ft above NGVD 29. Auxiliary water-stage recorder 2.3 mi upstream from base gage at datum 546.32 ft above NAVD 88 (GEOID09 refinement, levels by Corps of Engineers). Prior to Oct. 1, 1955, auxiliary gages at different sites and datum. REMARKS.--The rating lacks sensitivity at flows less than 10,000 ft3/s, and records for flows less than 10,000 ft3/s are estimated based on stations 03193000 Kanawha River at Kanawha Falls, 03197000 Elk River at Queen Shoals, and 03200500 Coal River at Tornado. Flow regulated since 1939 by increasing number of reservoirs upstream from station. EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Sept. 29, 1861, reached a stage of about 54.3 ft. PERIOD OF DAILY RECORD (WQ).--WATER TEMPERATURE: March 1953 to August 1970, October 1971 to September 1985. This gaging station is maintained in cooperation with: State of West Virginia U.S. Army Corps of Engineers, Huntington District PLEASE NOTE: Provisional streamflow data reported for Kanawha River at Charleston below 10,000 ft3/s are suspect. The method currently in use by USGS for compilation of historical daily-flow records below 10,000 ft3/s is summation of streamflow at 03193000 Kanawha River at Kanawha Falls, plus 03197000 Elk River at Queen Shoals, plus 1.08 times the streamflow at 03200500 Coal River at Tornado.
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