Seneca HUC8 03060101
A 2,663 km² sub-basin of the South Atlantic-Gulf region in NC, SC. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
44
Stressed
Drought index
168
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
34%
p8 of record
Water assets
1,563
2 springs · 287 wells
USGS gauges (4)
- TWELVEMILE CREEK NEAR LIBERTY, SC0218600019 cfsp6 · much below normal
- EIGHTEENMILE CREEK BELOW PENDLETON, SC0218670215 cfsp10 · much below normal
- EASTATOEE CRK ON CLEO CHAPMAN HWY NEAR SUNSET, SC0218501030 cfsno long-term record
- CONEROSS CK NR SENECA, SC0218664569 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 168 | 0 | 2/2 | p8 |
Top water assets
- 67Horsepasture Riverriver
- 67Horsepasture Riverriver
- 67Whitewater Riverriver
- 67Toxaway Riverriver
- 67Keoweereservoir
- 67Horsepasture Riverriver
- 67Horsepasture Riverriver
- 67Horsepasture Riverriver
- 67Whitewater Riverriver
- 67Whitewater Riverriver