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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
70
Moderate
Drought index
228
Severe
Area in D2+
28.06%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
83%
p45 of record
Water assets
1,350
34 springs · 255 wells
USGS gauges (3)
- Bayou Lanana at Nacogdoches, TX080370501 cfsp45 · 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 |
|---|---|---|---|---|
| 2026-10-19 | 228 | 28.06 | 0/1 | p45 |
| 2026-10-18 | 228 | 28.06 | 0/1 | p94 |
| 2026-10-17 | 228 | 28.06 | 1/1 | p8 |
| 2026-10-16 | 228 | 28.06 | 0/1 | p60 |
| 2026-10-15 | 227 | 28.06 | 0/1 | p72 |
| 2026-10-14 | 227 | 28.06 | 0/1 | p54 |
| 2026-10-13 | 227 | 28.06 | 0/1 | p56 |
| 2026-10-12 | 227 | 28.06 | 0/1 | p55 |
| 2026-10-11 | 227 | 28.06 | 0/1 | p94 |
| 2026-10-10 | 227 | 28.06 | 0/1 | p68 |
| 2026-10-09 | 227 | 28.06 | 0/1 | p69 |
| 2026-10-08 | 228 | 28.06 | 0/1 | p52 |
| 2026-10-07 | 228 | 28.06 | 0/1 | p86 |
| 2026-10-06 | 228 | 28.06 | 0/1 | p87 |
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