Upper Devils HUC8 13040301
A 6,844 km² sub-basin of the Rio Grande 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
57
Moderate
Drought index
184
Moderate
Area in D2+
0.6%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
51
6 springs · 12 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 184 | 0.6 | — | — |
| 2026-10-19 | 184 | 0.6 | — | — |
| 2026-10-18 | 184 | 0.6 | — | — |
| 2026-10-17 | 184 | 0.6 | — | — |
| 2026-10-16 | 184 | 0.6 | — | — |
| 2026-10-15 | 184 | 0.6 | — | — |
| 2026-10-14 | 184 | 0.6 | — | — |
| 2026-10-13 | 184 | 0.6 | — | — |
| 2026-10-12 | 184 | 0.6 | — | — |
| 2026-10-11 | 184 | 0.6 | — | — |
| 2026-10-10 | 184 | 0.6 | — | — |
| 2026-10-09 | 184 | 0.6 | — | — |
| 2026-10-08 | 218 | 18.03 | — | — |
| 2026-10-07 | 218 | 18.03 | — | — |
Top water assets
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