Tomichi HUC8 14020003
A 2,856 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
47
Stressed
Drought index
439
Exceptional
Area in D2+
100%
38.75% exceptional (D4)
Gauges below normal
0%
of 3 reporting
Median flow
122%
p71 of record
Water assets
281
39 springs · 212 wells
USGS gauges (3)
- TOMICHI CREEK AT SARGENTS, CO0911550030 cfsp48 · normal
- TOMICHI CREEK AT GUNNISON, CO09119000113 cfsp71 · normal
- COCHETOPA CREEK BELOW ROCK CREEK NEAR PARLIN, CO0911845055 cfsp81 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 439 | 100 | 0/3 | p71 |
| 2026-10-21 | 439 | 100 | 1/3 | p53 |
| 2026-10-20 | 439 | 100 | 1/3 | p55 |
| 2026-10-19 | 439 | 100 | 1/3 | p56 |
| 2026-10-18 | 439 | 100 | 1/3 | p55 |
| 2026-10-17 | 439 | 100 | 1/3 | p58 |
| 2026-10-16 | 439 | 100 | 1/3 | p72 |
| 2026-10-15 | 439 | 100 | 0/3 | p65 |
| 2026-10-14 | 439 | 100 | 1/3 | p62 |
| 2026-10-13 | 439 | 100 | 1/3 | p45 |
| 2026-10-12 | 439 | 100 | 1/3 | p49 |
| 2026-10-11 | 439 | 100 | 1/3 | p59 |
| 2026-10-10 | 439 | 100 | 1/3 | p56 |
| 2026-10-09 | 439 | 100 | 1/3 | p61 |
Top water assets
- 69Cochetopa Creek Below Rock Creek Near Parlin, Coriver
- 69Tomichi Creek At Gunnison, Coriver
- 69Tomichi Creek At Sargents, Coriver
- 66Mcdonough #1reservoir
- 66Mcdonough #2reservoir
- 66Vougareservoir
- 66Pitch Wastewater Treatmentreservoir
- 66Hot Springs Creekreservoir
- 66Upper Domereservoir
- 66Needle Creekreservoir