Toyah HUC8 13070003
A 2,913 km² sub-basin of the Rio Grande 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
54
Moderate
Drought index
142
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
155%
p47 of record
Water assets
153
38 springs · 60 wells
USGS gauges (2)
- San Solomon Spgs at Toyahvale, TX0842750019 cfsp6 · much below normal
- Giffin Spgs at Toyahvale, TX0842700010 cfsp89 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 142 | 0 | 1/2 | p47 |
Top water assets
- 67Toyah Creekriver
- 67Toyah Creekriver
- 67Toyah Creekriver
- 67Toyah Creekriver
- 67Toyah Creekriver
- 67Toyah Creekriver
- 67San Solomon Spgs At Toyahvale, Txspring
- 67Giffin Spgs At Toyahvale, Txspring
- 67Toyah Creekriver
- 67Toyah Creekriver