Poplar HUC8 10060003
A 6,012 km² sub-basin of the Missouri region in CN, MT. 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
78
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
172%
p77 of record
Water assets
1,966
16 springs · 1,300 wells
USGS gauges (2)
- Poplar River at international boundary061780005 cfsp76 · above normal
- Poplar River near Poplar MT0618100045 cfsp77 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 0 | 0 | 0/2 | p77 |
| 2026-10-19 | 0 | 0 | 0/2 | p77 |
| 2026-10-18 | 0 | 0 | 0/2 | p75 |
| 2026-10-17 | 0 | 0 | 0/2 | p76 |
| 2026-10-16 | 0 | 0 | 0/2 | p77 |
| 2026-10-15 | 11 | 0 | 0/2 | p79 |
| 2026-10-14 | 11 | 0 | 0/2 | p82 |
| 2026-10-13 | 11 | 0 | 0/2 | p76 |
| 2026-10-12 | 11 | 0 | 0/2 | p77 |
| 2026-10-11 | 11 | 0 | 0/2 | p68 |
| 2026-10-10 | 11 | 0 | 0/2 | p68 |
| 2026-10-09 | 11 | 0 | 0/2 | p64 |
| 2026-10-08 | 11 | 0 | 0/2 | p66 |
| 2026-10-07 | 11 | 0 | 0/2 | p69 |
Top water assets
- 67Girard Creekriver
- 67Boxelder Creekriver
- 67Poplar Riverriver
- 67Poplar Riverriver
- 67Middle Fork Poplar Riverriver
- 67Coal Creekriver
- 67Middle Fork Poplar Riverriver
- 67Poplar River At International Boundaryriver
- 67Poplar Riverriver
- 67Middle Fork Poplar Riverriver