USGS Water-Year Summary 2020
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.
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 gage height 9.51 ft, on Sept. 17, 2020.