Upper West Fork Trinity HUC8 12030101
A 5,068 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
59
Moderate
Drought index
267
Severe
Area in D2+
67.18%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
56%
p37 of record
Water assets
932
12 springs · 158 wells
USGS gauges (6)
- Walnut Ck at Reno, TX080448000 cfsp10 · below normal
- W Fk Trinity Rv nr Boyd, TX0804450063 cfsp37 · normal
- Big Sandy Ck nr Bridgeport, TX080440000 cfsp51 · normal
- W Fk Trinity Rv at US Hwy 281 nr Windthorst, TX0804260064 cfsno long-term record
- W Fk Trinity Rv nr Jacksboro, TX080428000 cfsno long-term record
- Big Ck nr Chico, TX080429500 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 267 | 67.18 | 1/3 | p37 |
Top water assets
- 67Bridgeport Damreservoir
- 66Big Sandy Creek Ws Nrcs Site 35 Damreservoir
- 66Big Sandy Creek Ws Scs Site 44 Damreservoir
- 66Big Sandy Creek Site 8 Decom Damreservoir
- 66Amon G Carter Damreservoir
- 66West Fork Above Bridgeport Ws Scs Site 9 Damreservoir
- 66Big Sandy Creek Ws Scs Site 2 Damreservoir
- 66Lake Jacksboro Damreservoir
- 66West Fork Above Bridgeport Ws Scs Site 11 Damreservoir
- 66North Creek Ws Scs Site 18 Damreservoir