Gros Ventre HUC8 17040102
A 1,617 km² sub-basin of the Pacific Northwest 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
73
Moderate
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
135%
p78 of record
Water assets
165
16 springs · 26 wells
USGS gauges (3)
- GROS VENTRE RIVER AT KELLY, WY13014500299 cfsp78 · above normal
- GROS VENTRE R AB UPPER SLIDE LK, NR KELLY, WY13014300119 cfsno long-term record
- GROS VENTRE RIVER AT ZENITH, WY13015000no readingno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 100 | 0 | 0/1 | p78 |
| 2026-10-19 | 100 | 0 | 0/1 | p79 |
| 2026-10-18 | 100 | 0 | 0/1 | p81 |
| 2026-10-17 | 100 | 0 | 0/1 | p82 |
| 2026-10-16 | 100 | 0 | 0/1 | p84 |
| 2026-10-15 | 100 | 0 | 0/1 | p86 |
| 2026-10-14 | 100 | 0 | 0/1 | p88 |
| 2026-10-13 | 100 | 0 | 0/1 | p88 |
| 2026-10-12 | 100 | 0 | 0/1 | p71 |
| 2026-10-11 | 100 | 0 | 0/1 | p33 |
| 2026-10-10 | 100 | 0 | 0/1 | p25 |
| 2026-10-09 | 100 | 0 | 0/1 | p30 |
| 2026-10-08 | 100 | 0 | 0/1 | p30 |
| 2026-10-07 | 100 | 0 | 0/1 | p33 |
Top water assets
- 69Gros Ventre Riverriver
- 69Sohare Creekriver
- 69Gros Ventre River At Kelly, Wyriver
- 69Bacon Creekriver
- 69South Fork Fish Creekriver
- 69West Goosewing Creekriver
- 69Gros Ventre R Ab Upper Slide Lk, Nr Kelly, Wyriver
- 69Gros Ventre River At Zenith, Wyriver
- 69North Fork Fish Creekriver
- 69Gros Ventre Riverriver