Upper Green-Flaming Gorge Reservoir HUC8 14040106
A 6,476 km² sub-basin of the Upper Colorado region in CO, UT, 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
67
Moderate
Drought index
223
Severe
Area in D2+
22.59%
0% exceptional (D4)
Gauges below normal
0%
of 7 reporting
Median flow
166%
p80 of record
Water assets
1,785
241 springs · 52 wells
USGS gauges (7)
- GREEN RIVER NEAR GREEN RIVER, WY09217000767 cfsp38 · normal
- GREEN RIVER NEAR GREENDALE, UT092345002,180 cfsp77 · above normal
- GREEN RIVER AT OURAY, UTAH092724002,510 cfsp78 · above normal
- GREEN RIVER NEAR JENSEN, UT092610003,080 cfsp80 · above normal
- HENRYS FORK NEAR MANILA, UT09229500137 cfsp87 · above normal
- Henrys Fork near Burntfork, WY0922800089 cfsp88 · above normal
- MIDDLE FORK BEAVER CREEK NEAR LONETREE, WYO.0922650027 cfsp90 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 223 | 22.59 | 0/7 | p80 |
| 2026-10-21 | 223 | 22.59 | 0/7 | p80 |
| 2026-10-20 | 223 | 22.59 | 0/7 | p83 |
| 2026-10-19 | 223 | 22.59 | 0/7 | p85 |
| 2026-10-18 | 223 | 22.59 | 0/7 | p86 |
| 2026-10-17 | 223 | 22.59 | 0/7 | p86 |
| 2026-10-16 | 223 | 22.59 | 0/7 | p85 |
| 2026-10-15 | 223 | 22.59 | 0/7 | p79 |
| 2026-10-14 | 223 | 22.59 | 0/7 | p81 |
| 2026-10-13 | 223 | 22.59 | 0/7 | p82 |
| 2026-10-12 | 223 | 22.59 | 0/7 | p70 |
| 2026-10-11 | 223 | 22.59 | 0/7 | p60 |
| 2026-10-10 | 223 | 22.59 | 0/7 | p58 |
| 2026-10-09 | 223 | 22.59 | 0/7 | p58 |
Top water assets
- 78Lodge Pole Cr (Connor Basin Lateral) — Diospwell
- 69Green Riverriver
- 69Carter Creekriver
- 69Green Riverriver
- 69Henrys Forkriver
- 69Red Creekriver
- 69Green Riverriver
- 69Green Riverriver
- 69Henrys Fork Near Manila, Utriver
- 69Green Riverriver