Active USGS

Cooper River At U.S. Hwy 17 At Charleston, SC

Updated August 2, 2026 at 08:15:00 AM · Provisional · Site 021720709

Current conditions

Historical trends

Hourly measurements

Detailed readings by hour, organized by day

Nearby stations

Other monitoring locations nearby

View all on map

Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-021720709/ (may include cooperator information)