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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
55
Moderate
Drought index
345
Extreme
Area in D2+
98.6%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
209%
p84 of record
Water assets
1,109
319 springs · 162 wells
USGS gauges (3)
- GREEN RIVER AT GREEN RIVER, UT093150004,930 cfsp80 · above normal
- GREEN RIVER AT MINERAL BOTTOM NR CYNLNDS NTL PARK093289206,220 cfsp88 · above normal
- GREEN RIVER BL SWASEYS RAPID NEAR GREEN RIVER, UT093147004,990 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 345 | 98.6 | 0/2 | p84 |
| 2026-10-20 | 345 | 98.6 | 0/2 | p84 |
| 2026-10-19 | 345 | 98.6 | 0/2 | p82 |
| 2026-10-18 | 345 | 98.6 | 0/2 | p82 |
| 2026-10-17 | 345 | 98.6 | 0/2 | p82 |
| 2026-10-16 | 345 | 98.6 | 0/2 | p84 |
| 2026-10-15 | 346 | 100 | 0/2 | p83 |
| 2026-10-14 | 346 | 100 | 0/2 | p79 |
| 2026-10-13 | 346 | 100 | 0/2 | p74 |
| 2026-10-12 | 346 | 100 | 0/2 | p65 |
| 2026-10-11 | 346 | 100 | 0/2 | p53 |
| 2026-10-10 | 346 | 100 | 0/2 | p52 |
| 2026-10-09 | 346 | 100 | 0/2 | p53 |
| 2026-10-08 | 346 | 100 | 0/2 | p54 |
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