San Bernard HUC8 12090401
A 2,750 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
69
Moderate
Drought index
201
Severe
Area in D2+
19.1%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
52%
p32 of record
Water assets
713
4 springs · 485 wells
USGS gauges (4)
- San Bernard Rv nr Boling, TX0811750079 cfsp32 · normal
- San Bernard Rv nr Chesterville, TX08117370509 cfsno long-term record
- San Bernard Rv nr Sweeny, TX0811770536 cfsno long-term record
- San Bernard Rv at FM 521 nr Cedar Lane, TX08117720-968 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 201 | 19.1 | 0/1 | p32 |
| 2026-10-18 | 201 | 19.1 | 0/1 | p34 |
| 2026-10-17 | 201 | 19.1 | 0/1 | p36 |
| 2026-10-16 | 201 | 19.1 | 0/1 | p31 |
| 2026-10-15 | 165 | 0 | 0/1 | p33 |
| 2026-10-14 | 165 | 0 | 0/1 | p42 |
| 2026-10-13 | 165 | 0 | 0/1 | p51 |
| 2026-10-12 | 165 | 0 | 0/1 | p59 |
| 2026-10-11 | 165 | 0 | 0/1 | p73 |
| 2026-10-10 | 165 | 0 | 0/1 | p82 |
| 2026-10-09 | 165 | 0 | 0/1 | p91 |
| 2026-10-08 | 229 | 28.86 | 0/1 | p94 |
| 2026-10-07 | 229 | 28.86 | 0/1 | p96 |
| 2026-10-06 | 229 | 28.86 | 0/1 | p97 |
Top water assets
- 65Little San Bernard Riverriver
- 65Newgulf Off-Channel Reservoir Leveereservoir
- 65San Bernard Rv Nr Boling, Txriver
- 65San Bernard Riverriver
- 65San Bernard Riverriver
- 65Middle Bernard Creekriver
- 65San Bernard Rv Nr Chesterville, Txriver
- 65San Bernard Riverriver
- 65San Bernard Rv At Fm 521 Nr Cedar Lane, Txriver
- 65Newgulf Lake Leveereservoir