Tonto HUC8 15060105
A 2,716 km² sub-basin of the Lower Colorado region in AZ. 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
74
Moderate
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
500%
p89 of record
Water assets
2,168
41 springs · 378 wells
USGS gauges (1)
- TONTO CREEK ABOVE GUN CREEK, NEAR ROOSEVELT, AZ0949900050 cfsp89 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 100 | 0 | 0/1 | p89 |
| 2026-10-20 | 100 | 0 | 0/1 | p91 |
| 2026-10-19 | 100 | 0 | 0/1 | p93 |
| 2026-10-18 | 100 | 0 | 0/1 | p94 |
| 2026-10-17 | 100 | 0 | 0/1 | p95 |
| 2026-10-16 | 100 | 0 | 0/1 | p98 |
| 2026-10-15 | 100 | 0 | 0/1 | p99 |
| 2026-10-14 | 100 | 0 | 0/1 | p100 |
| 2026-10-13 | 100 | 0 | 0/1 | p99 |
| 2026-10-12 | 100 | 0 | 0/1 | p99 |
| 2026-10-11 | 100 | 0 | 0/1 | p47 |
| 2026-10-10 | 100 | 0 | 0/1 | p46 |
| 2026-10-09 | 100 | 0 | 0/1 | p52 |
| 2026-10-08 | 100 | 0 | 0/1 | p57 |
Top water assets
- 69Christopher Creekriver
- 69Christopher Creekriver
- 69Haigler Creekriver
- 69Rock Creekriver
- 69Hunter Creekriver
- 69Tonto Creekriver
- 69Haigler Creekriver
- 69Haigler Creekriver
- 69Gordon Canyon Creekriver
- 69Haigler Creekriver