USGS Water-Year Summary 2021
03198000 KANAWHA RIVER AT CHARLESTON, WV
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.
DRAINAGE AREA - 10,463 mi².
- WSP 1335: 1943.
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).
Water-stage recorder. Datum of gage is 547.34 ft above NAVD 88 (GEOID09 refinement, levels by Corps of Engineers). Previously reported as 548.00 ft above NGVD 29. Auxiliary water-stage recorder (discontinued Nov. 28, 2013), 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 datums.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Sept. 29, 1861, reached a stage of about 54.3 ft.