USGS Water-Year Summary 2024
02169505 ROCKY BRANCH AT PICKENS ST AT COLUMBIA, SC
LOCATION - Lat 33°59'41", long 81°01'26" referenced to North American Datum of 1927, Richland County, SC, Hydrologic Unit 03050110, on Pickens Street, 0.7 mi southeast of the State Capital, 2.0 mi upstream of the mouth of the Congaree River.
DRAINAGE AREA - 2.15 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 2011 to March 2013, August 2018 to current year ; Annual maximum, October 1983 to September 2004.
GAGE - Data collection platform. Datum of gage 194.45 ft above NAVD of 1988. Crest-stage gage. Prior to May 13, 2011 at datum 2 ft lower.
EXTREMES FOR PERIOD OF RECORD - Maximum instantaneous gage height, 13.45 ft, July 4, 2022. Maximum instantaneous discharge, 4010 cfs, July 4, 2022. Minimum daily mean discharge, 0.77 cfs, January 14, 2019.