Upper Milk HUC8 10050002
A 5,878 km² sub-basin of the Missouri region in CN, MT. 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
66
Moderate
Drought index
181
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
119%
p75 of record
Water assets
695
11 springs · 233 wells
USGS gauges (1)
- Milk River at Eastern Crossing of Int Bndry06135000616 cfsp75 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 181 | 0 | 0/1 | p75 |
Top water assets
- 67Milk Riverriver
- 67Breed Creekriver
- 67Breed Creekriver
- 67Milk Riverriver
- 67Milk Riverriver
- 67Red Creekriver
- 67Milk Riverriver
- 67Milk River At Eastern Crossing Of Int Bndryriver
- 67Breed Creekriver
- 67Red Creekriver