Upper Colorado HUC8 12080008
A 3,572 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
49
Stressed
Drought index
336
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
211%
p44 of record
Water assets
640
27 springs · 75 wells
USGS gauges (2)
- Colorado Rv at Robert Lee, TX081240000 cfsp10 · below normal
- Colorado Rv abv Silver, TX0812385017 cfsp78 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 336 | 100 | 1/2 | p44 |
| 2026-10-19 | 336 | 100 | 1/2 | p49 |
| 2026-10-18 | 336 | 100 | 1/2 | p53 |
| 2026-10-17 | 336 | 100 | 1/2 | p56 |
| 2026-10-16 | 336 | 100 | 0/2 | p64 |
| 2026-10-15 | 307 | 100 | 2/2 | p5 |
| 2026-10-14 | 307 | 100 | 2/2 | p5 |
| 2026-10-13 | 307 | 100 | 2/2 | p5 |
| 2026-10-12 | 307 | 100 | 2/2 | p7 |
| 2026-10-11 | 307 | 100 | 2/2 | p10 |
| 2026-10-10 | 307 | 100 | 2/2 | p10 |
| 2026-10-09 | 307 | 100 | 2/2 | p11 |
| 2026-10-08 | 300 | 100 | 2/2 | p15 |
| 2026-10-07 | 300 | 100 | 1/2 | p44 |
Top water assets
- 67Oak Creekriver
- 67Big Silver Creekriver
- 67Big Silver Creekriver
- 67Big Silver Creekriver
- 67Yellow Wolf Creekriver
- 67Oak Creekriver
- 67Robert Lee Damreservoir
- 67Big Silver Creekriver
- 67Big Silver Creekriver
- 67Oak Creekriver