Atascosa HUC8 12110110
A 3,614 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
43
Stressed
Drought index
303
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
0%
p10 of record
Water assets
742
0 springs · 190 wells
USGS gauges (1)
- Atascosa Rv nr McCoy, TX082075000 cfsp10 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 303 | 100 | 1/1 | p10 |
| 2026-10-18 | 303 | 100 | 1/1 | p10 |
| 2026-10-17 | 303 | 100 | 1/1 | p10 |
| 2026-10-16 | 303 | 100 | 1/1 | p10 |
| 2026-10-15 | 303 | 100 | 1/1 | p10 |
| 2026-10-14 | 303 | 100 | 1/1 | p10 |
| 2026-10-13 | 303 | 100 | 1/1 | p10 |
| 2026-10-12 | 303 | 100 | 1/1 | p10 |
| 2026-10-11 | 303 | 100 | 1/1 | p14 |
| 2026-10-10 | 303 | 100 | 1/1 | p14 |
| 2026-10-09 | 303 | 100 | 1/1 | p15 |
| 2026-10-08 | 306 | 100 | 1/1 | p23 |
| 2026-10-07 | 306 | 100 | 0/1 | p56 |
| 2026-10-06 | 306 | 100 | 0/1 | p56 |
Top water assets
- 80Carrizo-Wilcox Fossil Aquifer — South Texasfossil_water
- 65Atascosa Riverriver
- 65Sediment Pond 1reservoir
- 65Pilgrim Lake Damreservoir
- 65Sediment Pond 30Creservoir
- 65Davilas Ranch Damreservoir
- 65Weedy Creekriver
- 65Atascosa Riverriver
- 65Sediment Pond 3reservoir
- 65Atascosa Riverriver