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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
61
Moderate
Drought index
219
Severe
Area in D2+
19.05%
0% exceptional (D4)
Gauges below normal
40%
of 5 reporting
Median flow
70%
p28 of record
Water assets
1,506
34 springs · 430 wells
USGS gauges (8)
- Colorado Rv at Columbus, TX08161000910 cfsp22 · below normal
- Colorado Rv at Bastrop, TX081592001,050 cfsp22 · below normal
- Colorado Rv abv La Grange, TX08160400938 cfsp28 · normal
- Colorado Rv at Smithville, TX081595001,080 cfsp36 · normal
- Redgate Ck nr Columbus, TX081608000 cfsp54 · 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 |
|---|---|---|---|---|
| 2026-09-07 | 219 | 19.05 | 2/5 | p28 |
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