Lower San Juan-Four Corners HUC8 14080201
A 5,165 km² sub-basin of the Upper Colorado region in AZ, CO, NM, UT. 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
52
Moderate
Drought index
300
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
191%
p46 of record
Water assets
1,792
106 springs · 523 wells
USGS gauges (2)
- RECAPTURE CREEK NEAR BLANDING, UT093786300 cfsp10 · below normal
- SAN JUAN RIVER AT FOUR CORNERS, CO093710101,600 cfsp82 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 300 | 100 | 1/2 | p46 |
| 2026-10-18 | 300 | 100 | 1/2 | p47 |
| 2026-10-17 | 300 | 100 | 1/2 | p48 |
| 2026-10-16 | 300 | 100 | 1/2 | p50 |
| 2026-10-15 | 300 | 100 | 1/2 | p50 |
| 2026-10-14 | 300 | 100 | 1/2 | p52 |
| 2026-10-13 | 300 | 100 | 1/2 | p24 |
| 2026-10-12 | 300 | 100 | 1/2 | p19 |
| 2026-10-11 | 300 | 100 | 1/2 | p20 |
| 2026-10-10 | 300 | 100 | 1/2 | p21 |
| 2026-10-09 | 300 | 100 | 1/2 | p30 |
| 2026-10-08 | 300 | 100 | 1/2 | p36 |
| 2026-10-07 | 300 | 100 | 1/2 | p37 |
| 2026-10-06 | 300 | 100 | 1/2 | p37 |
Top water assets
- 69Recapture Creekriver
- 69Recapture Creekriver
- 69Recapture Creekriver
- 69Recapture Creekriver
- 69Cottonwood Creekriver
- 69Recapture Creekriver
- 69Cottonwood Creekriver
- 69Dry Washriver
- 69Recapture Creekriver
- 69Recapture Creekriver