San Carlos HUC8 15040007
A 2,787 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
73
Moderate
Drought index
115
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
349%
p87 of record
Water assets
1,113
0 springs · 128 wells
USGS gauges (1)
- SAN CARLOS RIVER NEAR PERIDOT, AZ.0946850018 cfsp87 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 115 | 0 | 0/1 | p87 |
| 2026-10-20 | 115 | 0 | 1/1 | p11 |
| 2026-10-19 | 115 | 0 | 1/1 | p10 |
| 2026-10-18 | 115 | 0 | 1/1 | p10 |
| 2026-10-17 | 115 | 0 | 1/1 | p10 |
| 2026-10-16 | 115 | 0 | 1/1 | p10 |
| 2026-10-15 | 115 | 0 | 1/1 | p10 |
| 2026-10-14 | 115 | 0 | 1/1 | p10 |
| 2026-10-13 | 115 | 0 | 1/1 | p10 |
| 2026-10-12 | 115 | 0 | 1/1 | p10 |
| 2026-10-11 | 115 | 0 | 1/1 | p10 |
| 2026-10-10 | 115 | 0 | 1/1 | p10 |
| 2026-10-09 | 115 | 0 | 1/1 | p10 |
| 2026-10-08 | 172 | 10.83 | 1/1 | p10 |
Top water assets
- 69South Fork Ash Creekriver
- 69South Fork Ash Creekriver
- 69South Fork Ash Creekriver
- 67Sycamore Creekriver
- 67Elgoreservoir
- 67Gilson Washriver
- 67South Fork Ash Creekriver
- 67Sevenmile Washriver
- 67Sevenmile Washriver
- 67San Carlos Riverriver