Lower Trinity-Tehuacana HUC8 12030201
A 5,455 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
60
Moderate
Drought index
201
Severe
Area in D2+
0.7%
0% exceptional (D4)
Gauges below normal
50%
of 4 reporting
Median flow
71%
p33 of record
Water assets
1,375
28 springs · 433 wells
USGS gauges (4)
- Tehuacana Ck nr Streetman, TX080647000 cfsp10 · below normal
- Trinity Rv nr Crockett, TX08065350836 cfsp23 · below normal
- Upper Keechi Ck nr Oakwood, TX080652002 cfsp43 · normal
- Trinity Rv nr Oakwood, TX08065000919 cfsp50 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 201 | 0.7 | 2/4 | p33 |
| 2026-10-20 | 201 | 0.7 | 2/4 | p29 |
| 2026-10-19 | 201 | 0.7 | 2/4 | p29 |
| 2026-10-18 | 201 | 0.7 | 2/4 | p31 |
| 2026-10-17 | 201 | 0.7 | 2/4 | p32 |
| 2026-10-16 | 201 | 0.7 | 0/4 | p38 |
| 2026-10-15 | 202 | 1.94 | 0/4 | p46 |
| 2026-10-14 | 202 | 1.94 | 1/4 | p38 |
| 2026-10-13 | 202 | 1.94 | 1/4 | p40 |
| 2026-10-12 | 202 | 1.94 | 1/4 | p45 |
| 2026-10-11 | 202 | 1.94 | 1/4 | p50 |
| 2026-10-10 | 202 | 1.94 | 1/4 | p55 |
| 2026-10-09 | 202 | 1.94 | 1/4 | p67 |
| 2026-10-08 | 210 | 9.75 | 1/4 | p71 |
Top water assets
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