Lower Colorado-Cummins HUC8 12090301
A 5,688 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
59
Moderate
Drought index
297
Severe
Area in D2+
97.41%
0% exceptional (D4)
Gauges below normal
20%
of 5 reporting
Median flow
85%
p40 of record
Water assets
1,506
34 springs · 430 wells
USGS gauges (8)
- Colorado Rv at Columbus, TX08161000389 cfsp20 · below normal
- Colorado Rv at Smithville, TX08159500461 cfsp33 · normal
- Colorado Rv abv La Grange, TX08160400482 cfsp40 · normal
- Redgate Ck nr Columbus, TX081608001 cfsp54 · normal
- Colorado Rv at Bastrop, TX08159200554 cfsp58 · normal
- Eastern Trib to Dry Ck nr Del Valle, TX081591050 cfsno long-term record
- Western Trib to Gilleland Ck nr Manor, TX081591100 cfsno long-term record
- Maha Ck at Von Quintus Rd nr Del Valle, TX081592500 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 297 | 97.41 | 1/5 | p40 |
| 2026-10-19 | 297 | 97.41 | 2/5 | p33 |
| 2026-10-18 | 297 | 97.41 | 2/5 | p35 |
| 2026-10-17 | 297 | 97.41 | 2/5 | p26 |
| 2026-10-16 | 297 | 97.41 | 2/5 | p28 |
| 2026-10-15 | 297 | 97.41 | 2/5 | p32 |
| 2026-10-14 | 297 | 97.41 | 2/5 | p36 |
| 2026-10-13 | 297 | 97.41 | 2/5 | p37 |
| 2026-10-12 | 297 | 97.41 | 2/5 | p28 |
| 2026-10-11 | 297 | 97.41 | 2/5 | p25 |
| 2026-10-10 | 297 | 97.41 | 2/5 | p31 |
| 2026-10-09 | 297 | 97.41 | 1/5 | p35 |
| 2026-10-08 | 317 | 100 | 1/5 | p36 |
| 2026-10-07 | 317 | 100 | 0/5 | p70 |
Top water assets
- 67Cedar Creek Damreservoir
- 66Cummins Creek Ws Scs Site 22 Damreservoir
- 66Tahitian Village Lake No 1 Damreservoir
- 66Lake Bastrop Damreservoir
- 66Cummins Creek Ws Scs Site 21 Damreservoir
- 66Aj Rod Damreservoir
- 66Cummins Creek Ws Scs Site 25 Damreservoir
- 66Decker Creek Damreservoir
- 66Cummins Creek Ws Scs Site 7 Damreservoir
- 66Droemer Lake Damreservoir