Pathfinder-Seminoe Reservoirs HUC8 10180003
A 2,669 km² sub-basin of the Missouri region in WY. 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
41
Stressed
Drought index
329
Extreme
Area in D2+
89.87%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
183
51 springs · 82 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 329 | 89.87 | — | — |
Top water assets
- 69Middle Fork Sage Creekriver
- 69Dry Creekriver
- 69North Platte Riverriver
- 69North Platte Riverriver
- 69North Platte Riverriver
- 69Dry Creekriver
- 69Dry Creekriver
- 67Kortes Damreservoir
- 67Seminoe Damreservoir
- 67Pathfinder Damreservoir