Big Piney HUC8 10290202
A 1,956 km² sub-basin of the Missouri region in MO. 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
47
Stressed
Drought index
377
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
76%
p20 of record
Water assets
1,040
40 springs · 669 wells
USGS gauges (2)
- Big Piney River near Big Piney, MO06930000122 cfsp16 · below normal
- Big Piney below Fort Leonard Wood, MO06930060174 cfsp25 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 377 | 100 | 1/2 | p20 |
| 2026-10-18 | 377 | 100 | 1/2 | p23 |
| 2026-10-17 | 377 | 100 | 2/2 | p21 |
| 2026-10-16 | 377 | 100 | 2/2 | p20 |
| 2026-10-15 | 377 | 100 | 2/2 | p22 |
| 2026-10-14 | 377 | 100 | 2/2 | p15 |
| 2026-10-13 | 377 | 100 | 2/2 | p14 |
| 2026-10-12 | 377 | 100 | 2/2 | p15 |
| 2026-10-11 | 377 | 100 | 2/2 | p15 |
| 2026-10-10 | 377 | 100 | 2/2 | p13 |
| 2026-10-09 | 377 | 100 | 2/2 | p14 |
| 2026-10-08 | 377 | 99.99 | 2/2 | p15 |
| 2026-10-07 | 377 | 99.99 | 2/2 | p14 |
| 2026-10-06 | 377 | 99.99 | 2/2 | p14 |
Top water assets
- 65Big Piney Riverriver
- 65Little Piney Riverriver
- 65Big Piney River Near Big Piney, Moriver
- 65Mooney Branchriver
- 65South Sherrill Creekriver
- 65Little Bald Ridge Creekriver
- 65Big Piney Riverriver
- 65Bald Ridge Creekriver
- 65Big Piney Below Fort Leonard Wood, Moriver
- 65Big Piney Riverriver