Middle Nueces HUC8 12110105
A 8,646 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
62
Moderate
Drought index
227
Severe
Area in D2+
38.91%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
348%
p56 of record
Water assets
1,295
6 springs · 205 wells
USGS gauges (3)
- San Casimiro Ck nr Freer, TX081942000 cfsp10 · below normal
- Nueces Rv nr Tilden, TX0819450083 cfsp56 · normal
- Nueces Rv at Cotulla, TX0819400054 cfsp70 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 227 | 38.91 | 1/3 | p56 |
Top water assets
- 65Green Branchriver
- 65San Casimiro Creekriver
- 65Black Creekriver
- 65Nueces Riverriver
- 65Black Creekriver
- 65San Jose Creekriver
- 65Cow Creekriver
- 65Gato Creekriver
- 65Black Creekriver
- 65Vaquillas Damreservoir