Lower Broad HUC8 03050106
A 3,338 km² sub-basin of the South Atlantic-Gulf region in SC. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
73
Moderate
Drought index
94
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
20%
of 5 reporting
Median flow
89%
p39 of record
Water assets
1,799
2 springs · 387 wells
USGS gauges (5)
- SMITH BRANCH AT NORTH MAIN ST AT COLUMBIA, SC021620931 cfsp9 · much below normal
- BROAD RIVER NEAR COLUMBIA, SC021620351,460 cfsp33 · normal
- BROAD RIVER AT ALSTON, SC021610001,600 cfsp39 · normal
- BROAD RIVER NEAR CARLISLE, SC021565001,500 cfsp42 · normal
- BROAD RIVER BELOW NEAL SHOALS RES NR CARLISLE, SC0215644931,430 cfsp52 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 94 | 0 | 1/5 | p39 |
| 2026-10-20 | 94 | 0 | 1/5 | p30 |
| 2026-10-19 | 94 | 0 | 2/5 | p28 |
| 2026-10-18 | 94 | 0 | 1/5 | p53 |
| 2026-10-17 | 94 | 0 | 1/5 | p66 |
| 2026-10-16 | 94 | 0 | 1/5 | p58 |
| 2026-10-15 | 133 | 0 | 1/5 | p83 |
| 2026-10-14 | 133 | 0 | 1/5 | p88 |
| 2026-10-13 | 133 | 0 | 1/5 | p97 |
| 2026-10-12 | 133 | 0 | 0/5 | p96 |
| 2026-10-11 | 133 | 0 | 0/5 | p55 |
| 2026-10-10 | 133 | 0 | 4/5 | p17 |
| 2026-10-09 | 133 | 0 | 2/5 | p26 |
| 2026-10-08 | 161 | 0 | 2/5 | p27 |
Top water assets
- 66Parr Shoals Damreservoir
- 65Smith Branch At North Main St At Columbia, Scriver
- 65Broad River At Alston, Scriver
- 65Mill Creekriver
- 65Broad River Near Columbia, Scriver
- 65Broad River Near Carlisle, Scriver
- 65Neal Shoalsreservoir
- 65Lockhart Damreservoir
- 65Rocky Branchriver
- 65Broad River Below Neal Shoals Res Nr Carlisle, Scriver