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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
74
Moderate
Drought index
132
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
70%
p34 of record
Water assets
713
4 springs · 485 wells
USGS gauges (4)
- San Bernard Rv nr Boling, TX0811750093 cfsp34 · normal
- San Bernard Rv nr Chesterville, TX08117370509 cfsno long-term record
- San Bernard Rv nr Sweeny, TX0811770566 cfsno long-term record
- San Bernard Rv at FM 521 nr Cedar Lane, TX081177201,170 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 132 | 0 | 0/1 | p34 |
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