Santee HUC8 03050112
A 1,870 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
72
Moderate
Drought index
182
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
79%
p47 of record
Water assets
686
0 springs · 247 wells
USGS gauges (4)
- REDIV CANAL AT SANTEE RIVER NR ST STEPHEN, SC0217164565 cfsp28 · normal
- SANTEE RIVER NEAR PINEVILLE, SC02171500635 cfsp66 · normal
- SANTEE RIVER NEAR RUSSELLVILLE, SC02171560796 cfsno long-term record
- SANTEE RIVER NR JAMESTOWN, SC021717001,440 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 182 | 0 | 0/2 | p47 |
| 2026-10-20 | 182 | 0 | 0/2 | p61 |
| 2026-10-19 | 182 | 0 | 1/2 | p45 |
| 2026-10-18 | 182 | 0 | 0/2 | p57 |
| 2026-10-17 | 182 | 0 | 0/2 | p57 |
| 2026-10-16 | 182 | 0 | 0/2 | p52 |
| 2026-10-15 | 188 | 5.75 | 0/2 | p57 |
| 2026-10-14 | 188 | 5.75 | 1/2 | p46 |
| 2026-10-13 | 188 | 5.75 | 0/2 | p60 |
| 2026-10-12 | 188 | 5.75 | 0/2 | p53 |
| 2026-10-11 | 188 | 5.75 | 0/2 | p55 |
| 2026-10-10 | 188 | 5.75 | 0/2 | p52 |
| 2026-10-09 | 188 | 5.75 | 0/2 | p58 |
| 2026-10-08 | 279 | 78.92 | 0/2 | p56 |
Top water assets
- 65Crawl Creekriver
- 65Walnut Branchriver
- 65Wadmacon Creekriver
- 65Wambaw Creekriver
- 65Santee Riverriver
- 65Mount Hope Swampriver
- 65Santee River Near Pineville, Scriver
- 65Crawl Creekriver
- 65Rediv Canal At Santee River Nr St Stephen, Scriver
- 65Doctor Branchriver