South Concho HUC8 12090102
A 3,462 km² sub-basin of the Texas-Gulf region in TX. 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
41
Stressed
Drought index
285
Severe
Area in D2+
84.9%
0% exceptional (D4)
Gauges below normal
100%
of 5 reporting
Median flow
27%
p10 of record
Water assets
581
22 springs · 297 wells
USGS gauges (7)
- S Concho Rv abv Twin Buttes Res nr San Angelo, TX081280305 cfsp7 · much below normal
- S Concho Rv at Christoval, TX081280004 cfsp8 · much below normal
- Spring Ck abv Twin Buttes Res nr San Angelo, TX081307000 cfsp10 · below normal
- Pecan Ck nr San Angelo, TX081314000 cfsp10 · below normal
- Red Arroyo at S. Chadbourne St. nr San Angelo, TX081324500 cfsp10 · below normal
- Spring Ck abv Tankersley, TX08129300125 cfsno long-term record
- Dove Ck at Knickerbocker, TX08130500105 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-18 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-17 | 285 | 84.9 | 4/5 | p10 |
| 2026-10-16 | 285 | 84.9 | 3/5 | p10 |
| 2026-10-15 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-14 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-13 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-12 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-11 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-10 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-09 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-08 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-07 | 285 | 84.9 | 5/5 | p10 |
| 2026-10-06 | 285 | 84.9 | 5/5 | p10 |
Top water assets
- 67Dry Creekriver
- 67S Concho Rv At Christoval, Txriver
- 67Dove Creekriver
- 67South Concho Riverriver
- 67Twin Buttes Damreservoir
- 67Spring Creekriver
- 67Spring Creekriver
- 67Dove Ck At Knickerbocker, Txriver
- 67Dry Creekriver
- 67Dove Creekriver