USGS Water-Year Summary 2024
02197300 UPPER THREE RUNS NEAR NEW ELLENTON, SC
LOCATION - Lat 33°23'05", long 81°37'00" referenced to North American Datum of 1927, Aiken County, SC, Hydrologic Unit 03060106, on downstream side of bridge on US Highway-278, 0.4 mi upstream from Johnson Fork Creek, 4.6 miles southeast of New Ellenton, Aiken County.
DRAINAGE AREA - 87 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1966 to September 1989, October 1989 to October 2002 at site 1 mile downstream and at datum 10 ft lower, August 2017 to current year.
GAGE - Data collection platform. Datum of gage is 173.60 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 820 cfs, Oct. 23, 1990. Maximum gage height, 8.80 ft, Oct. 23, 1990. Minimum daily discharge, 44.6 cfs, Jun. 26, 2022.