San Miguel HUC8 14030003
A 4,023 km² sub-basin of the Upper Colorado region in CO. 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
56
Moderate
Drought index
196
Moderate
Area in D2+
6.32%
0% exceptional (D4)
Gauges below normal
0%
of 5 reporting
Median flow
582%
p94 of record
Water assets
528
157 springs · 261 wells
USGS gauges (5)
- SAN MIGUEL RIVER AT BROOKS BRIDGE NEAR NUCLA CO09174600259 cfsp87 · above normal
- SOUTH FORK SAN MIGUEL RIVER NEAR OPHIR, CO09171310168 cfsp94 · much above normal
- SAN MIGUEL RIVER AT URAVAN, CO.09177000681 cfsp94 · much above normal
- SAN MIGUEL RIVER NEAR PLACERVILLE, CO09172500674 cfsp96 · much above normal
- LAKE FORK SAN MIGUEL RV ABV TROUT LAKE NR OPHIR CO0917124058 cfsp96 · much above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 196 | 6.32 | 0/5 | p94 |
| 2026-10-21 | 196 | 6.32 | 0/5 | p83 |
| 2026-10-20 | 196 | 6.32 | 0/5 | p83 |
| 2026-10-19 | 196 | 6.32 | 0/5 | p82 |
| 2026-10-18 | 196 | 6.32 | 0/5 | p84 |
| 2026-10-17 | 196 | 6.32 | 0/5 | p84 |
| 2026-10-16 | 196 | 6.32 | 0/5 | p85 |
| 2026-10-15 | 214 | 14.28 | 0/5 | p88 |
| 2026-10-14 | 214 | 14.28 | 0/5 | p85 |
| 2026-10-13 | 214 | 14.28 | 0/5 | p77 |
| 2026-10-12 | 214 | 14.28 | 0/5 | p77 |
| 2026-10-11 | 214 | 14.28 | 0/5 | p66 |
| 2026-10-10 | 214 | 14.28 | 0/5 | p65 |
| 2026-10-09 | 214 | 14.28 | 0/5 | p70 |
Top water assets
- 69Cushmanreservoir
- 69South Fork San Miguel River Near Ophir, Coriver
- 69Lake Fork San Miguel Rv Abv Trout Lake Nr Ophir Coriver
- 69San Miguel River At Brooks Bridge Near Nucla Coriver
- 69San Miguel River Near Placerville, Coriver
- 67San Miguel River At Uravan, Co.river
- 66Gurleyreservoir
- 66Lilylandsreservoir
- 66Miramontereservoir
- 66Trout Lakereservoir