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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
36
Stressed
Drought index
267
Severe
Area in D2+
66.78%
0% exceptional (D4)
Gauges below normal
100%
of 5 reporting
Median flow
53%
p9 of record
Water assets
528
157 springs · 261 wells
USGS gauges (5)
- SAN MIGUEL RIVER AT URAVAN, CO.0917700013 cfsp6 · much below normal
- SAN MIGUEL RIVER NEAR PLACERVILLE, CO0917250062 cfsp7 · much below normal
- SOUTH FORK SAN MIGUEL RIVER NEAR OPHIR, CO0917131023 cfsp9 · much below normal
- SAN MIGUEL RIVER AT BROOKS BRIDGE NEAR NUCLA CO091746005 cfsp13 · below normal
- LAKE FORK SAN MIGUEL RV ABV TROUT LAKE NR OPHIR CO091712407 cfsp22 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 267 | 66.78 | 5/5 | p9 |
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