Lower Angelina HUC8 12020005
A 5,045 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
70
Moderate
Drought index
226
Severe
Area in D2+
26.31%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
333%
p71 of record
Water assets
1,350
34 springs · 255 wells
USGS gauges (3)
- Bayou Lanana at Nacogdoches, TX080370502 cfsp71 · normal
- Attoyac Bayou nr Chireno, TX080380001,000 cfsno long-term record
- Ayish Bayou nr San Augustine, TX08039100104 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 226 | 26.31 | 0/1 | p71 |
Top water assets
- 67Sam Rayburn Damreservoir
- 66Lake Kurth Damreservoir
- 66Attoyac Bayou Ws Scs Site 2 Damreservoir
- 66Waterford Lake Damreservoir
- 66Attoyac Bayou Ws Scs Site 5 Damreservoir
- 66Attoyac Bayou Ws Scs Site 12 Damreservoir
- 66Attoyac Bayou Ws Scs Site 3 Damreservoir
- 66Pinkston Damreservoir
- 66Lufkin Country Club Lake Damreservoir
- 66Attoyac Bayou Ws Nrcs Site 23A Damreservoir