Upper Nueces HUC8 12110103
A 4,867 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
58
Moderate
Drought index
340
Extreme
Area in D2+
91.14%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
2412%
p67 of record
Water assets
866
8 springs · 209 wells
USGS gauges (2)
- Nueces Rv nr Asherton, TX0819300045 cfsp58 · normal
- Nueces Rv bl Uvalde, TX0819200085 cfsp76 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 340 | 91.14 | 0/2 | p67 |
| 2026-10-18 | 340 | 91.14 | 0/2 | p66 |
| 2026-10-17 | 340 | 91.14 | 0/2 | p66 |
| 2026-10-16 | 340 | 91.14 | 0/2 | p68 |
| 2026-10-15 | 335 | 91.14 | 0/2 | p69 |
| 2026-10-14 | 335 | 91.14 | 0/2 | p70 |
| 2026-10-13 | 335 | 91.14 | 0/2 | p72 |
| 2026-10-12 | 335 | 91.14 | 0/2 | p74 |
| 2026-10-11 | 335 | 91.14 | 0/2 | p79 |
| 2026-10-10 | 335 | 91.14 | 0/2 | p79 |
| 2026-10-09 | 335 | 91.14 | 0/2 | p82 |
| 2026-10-08 | 286 | 88.24 | 0/2 | p84 |
| 2026-10-07 | 286 | 88.24 | 0/2 | p72 |
| 2026-10-06 | 286 | 88.24 | 0/2 | p74 |
Top water assets
- 66Upper Nueces Lake Damreservoir
- 65Tortuga Creekriver
- 65Nueces Riverriver
- 65Tortuga Creekriver
- 65Boynton Lake Damreservoir
- 65El Barrosa Creekriver
- 65Sage Creekriver
- 65San Roque Creekriver
- 65Espio Creekriver
- 65Nueces Riverriver