Upper Cannonball HUC8 10130204
A 4,235 km² sub-basin of the Missouri region in ND. 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
68
Moderate
Drought index
236
Severe
Area in D2+
35.9%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
35%
p26 of record
Water assets
1,135
2 springs · 382 wells
USGS gauges (2)
- CANNONBALL RIVER AT REGENT, ND063500002 cfsp26 · normal
- CANNONBALL RIVER NEAR RALEIGH, ND063512001 cfsp26 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 236 | 35.9 | 0/2 | p26 |
Top water assets
- 67Thirtymile Creekriver
- 67Cannonball Riverriver
- 67Snake Creekriver
- 67Cannonball Riverriver
- 67Coal Bank Creekriver
- 67Cannonball Riverriver
- 67Cannonball Riverriver
- 67Cannonball Riverriver
- 67Cannonball River At Regent, Ndriver
- 67Philbrick Creekriver