Uncompahgre HUC8 14020006
A 2,887 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
45
Stressed
Drought index
328
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
43%
of 7 reporting
Median flow
65%
p27 of record
Water assets
395
92 springs · 221 wells
USGS gauges (7)
- DALLAS CREEK NEAR RIDGWAY, CO091470001 cfsp1 · much below normal
- UNCOMPAHGRE RIVER NEAR RIDGWAY, CO.0914620046 cfsp8 · much below normal
- UNCOMPAHGRE RIVER NEAR OURAY, CO0914602038 cfsp10 · much below normal
- UNCOMPAHGRE RIVER AT COLONA, CO09147500106 cfsp27 · normal
- UNCOMPAHGRE RIVER BELOW RIDGWAY RESERVOIR, CO09147025141 cfsp30 · normal
- LOUTSENHIZER ARROYO AT HWY 50 NEAR OLATHE CO38392610759300187 cfsp35 · normal
- UNCOMPAHGRE RIVER AT DELTA, CO09149500237 cfsp38 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 328 | 100 | 3/7 | p27 |
Top water assets
- 69Uncompahgre River Near Ridgway, Co.river
- 69Uncompahgre River At Colona, Coriver
- 69Uncompahgre River Near Ouray, Coriver
- 69Dallas Creek Near Ridgway, Coriver
- 69Loutsenhizer Arroyo At Hwy 50 Near Olathe Coriver
- 69Uncompahgre River Below Ridgway Reservoir, Coriver
- 67Uncompahgre River At Delta, Coriver
- 67Ridgway Damreservoir
- 66Fairviewreservoir
- 66Cerroreservoir