Box Elder HUC8 10040204
A 3,037 km² sub-basin of the Missouri region in 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
76
Healthy
Drought index
45
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
502
2 springs · 53 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 45 | 0 | — | — |
| 2026-10-21 | 45 | 0 | — | — |
| 2026-10-20 | 45 | 0 | — | — |
| 2026-10-19 | 45 | 0 | — | — |
| 2026-10-18 | 45 | 0 | — | — |
| 2026-10-17 | 45 | 0 | — | — |
| 2026-10-16 | 45 | 0 | — | — |
| 2026-10-15 | 144 | 0 | — | — |
| 2026-10-14 | 144 | 0 | — | — |
| 2026-10-13 | 144 | 0 | — | — |
| 2026-10-12 | 144 | 0 | — | — |
| 2026-10-11 | 144 | 0 | — | — |
| 2026-10-10 | 144 | 0 | — | — |
| 2026-10-09 | 144 | 0 | — | — |
Top water assets
- 67Fords Creekriver
- 67Fords Creekriver
- 67Fords Creekriver
- 67Box Elder Creekriver
- 67McDonald Creekriver
- 67Arther Dengel #1reservoir
- 67South Fork McDonald Creekriver
- 67Fords Creekriver
- 67McDonald Creekriver
- 67McDonald Creekriver