Cooper River at South. Adgers Wharf at Charleston, SC
River water level · Charleston County, South Carolina
Current water level
USGS gauge 021720712
18.95 ft
As of September 11, 2026 ·
daily mean · updated daily by USGS
Context
- September levels were last this low in 2025.
- Typical September level here (10-year average): 19.09 ft.
- Up 0.44 ft over the past 30 days.
- Today's level is higher than 82% of all readings in the past decade.
- 10-year range: 17.12 ft (January 11, 2026) to 20.12 ft (August 23, 2025).
About this gauge
| Gauge | USGS 021720712 |
|---|---|
| Type | River |
| County | Charleston County |
| Measures | Gage height (North American Vertical Datum of 1988) |
| Readings stored | 513 daily values back to April 17, 2025 |