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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
61
Moderate
Drought index
207
Severe
Area in D2+
6.79%
0% exceptional (D4)
Gauges below normal
25%
of 4 reporting
Median flow
653%
p54 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, TX0804450025 cfsp30 · normal
- Big Sandy Ck nr Bridgeport, TX080440009 cfsp78 · above normal
- W Fk Trinity Rv nr Jacksboro, TX08042800349 cfsp100 · much above normal
- W Fk Trinity Rv at US Hwy 281 nr Windthorst, TX080426001 cfsno long-term record
- Big Ck nr Chico, TX080429500 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 207 | 6.79 | 1/4 | p54 |
| 2026-10-18 | 207 | 6.79 | 2/4 | p26 |
| 2026-10-17 | 207 | 6.79 | 1/4 | p39 |
| 2026-10-16 | 207 | 6.79 | 2/4 | p20 |
| 2026-10-15 | 299 | 98.51 | 1/4 | p42 |
| 2026-10-14 | 299 | 98.51 | 1/4 | p41 |
| 2026-10-13 | 299 | 98.51 | 1/4 | p44 |
| 2026-10-12 | 299 | 98.51 | 1/4 | p45 |
| 2026-10-11 | 299 | 98.51 | 2/4 | p20 |
| 2026-10-10 | 299 | 98.51 | 2/4 | p19 |
| 2026-10-09 | 299 | 98.51 | 2/4 | p19 |
| 2026-10-08 | 398 | 100 | 2/4 | p20 |
| 2026-10-07 | 398 | 100 | 0/4 | p58 |
| 2026-10-06 | 398 | 100 | 0/4 | p60 |
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