Sweetwater HUC8 10180006
A 7,514 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
45
Stressed
Drought index
244
Severe
Area in D2+
42.28%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
28%
p15 of record
Water assets
336
67 springs · 169 wells
USGS gauges (1)
- SWEETWATER RIVER NEAR SWEETWATER STATION, WY066380905 cfsp15 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 244 | 42.28 | 1/1 | p15 |
Top water assets
- 69Blucher Creekriver
- 69Dry Creekriver
- 69Sweetwater Riverriver
- 69Alkali Creekriver
- 69Arkansas Creekriver
- 69Sweetwater Riverriver
- 69Sweetwater Riverriver
- 69Sweetwater River Near Sweetwater Station, Wyriver
- 69Willow Creekriver
- 69Rock Creekriver