Lower Green HUC8 14060008
A 4,837 km² sub-basin of the Upper Colorado region in UT. 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
58
Moderate
Drought index
346
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
110%
p63 of record
Water assets
1,109
319 springs · 162 wells
USGS gauges (3)
- GREEN RIVER AT GREEN RIVER, UT093150002,460 cfsp51 · normal
- GREEN RIVER AT MINERAL BOTTOM NR CYNLNDS NTL PARK093289202,640 cfsp76 · above normal
- GREEN RIVER BL SWASEYS RAPID NEAR GREEN RIVER, UT093147002,620 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 346 | 100 | 0/2 | p63 |
Top water assets
- 74Green River — Isriver
- 71Underground Water Well — Owell
- 67Green Riverriver
- 67Green Riverriver
- 67Barrier Creekriver
- 67Green Riverriver
- 67Green River At Mineral Bottom Nr Cynlnds Ntl Parkriver
- 67Green Riverriver
- 67Green Riverriver
- 67Green Riverriver