Great Divide Closed Basin HUC8 14040200
A 9,948 km² sub-basin of the Upper Colorado region in WY. 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
201
Severe
Area in D2+
1.32%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
502
68 springs · 349 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 201 | 1.32 | — | — |
| 2026-10-18 | 201 | 1.32 | — | — |
| 2026-10-17 | 201 | 1.32 | — | — |
| 2026-10-16 | 201 | 1.32 | — | — |
| 2026-10-15 | 201 | 1.32 | — | — |
| 2026-10-14 | 201 | 1.32 | — | — |
| 2026-10-13 | 201 | 1.32 | — | — |
| 2026-10-12 | 201 | 1.32 | — | — |
| 2026-10-11 | 201 | 1.32 | — | — |
| 2026-10-10 | 201 | 1.32 | — | — |
| 2026-10-09 | 201 | 1.32 | — | — |
| 2026-10-08 | 201 | 1.32 | — | — |
| 2026-10-07 | 201 | 1.32 | — | — |
| 2026-10-06 | 201 | 1.32 | — | — |
Top water assets
- 69Separationreservoir
- 66A & Mreservoir
- 5823-096-25bba01well
- 5425-088-12 01well
- 4824-092-16bbc01well
- 4818-093-15bca01well
- 4826-091-10dca01well
- 4823-090-32acb01well
- 4822-094-21cca01well
- 4820-098-03db 01well