Upper Grand HUC8 10280101
A 8,614 km² sub-basin of the Missouri region in IA, 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
86
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 5 reporting
Median flow
322%
p63 of record
Water assets
3,469
0 springs · 353 wells
USGS gauges (5)
- Shoal Creek near Braymer, MO0689970010 cfsp53 · normal
- Grand River near Pattonsburg, MO06896900190 cfsp59 · normal
- East Fork Big Creek near Bethany, MO068970006 cfsp63 · normal
- East Fork Grand River at Albany, MO0689640046 cfsp68 · normal
- Grand River near Gallatin, MO06897500328 cfsp69 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 0/5 | p63 |
| 2026-10-20 | 0 | 0 | 0/5 | p64 |
| 2026-10-19 | 0 | 0 | 0/5 | p64 |
| 2026-10-18 | 0 | 0 | 0/5 | p64 |
| 2026-10-17 | 0 | 0 | 0/5 | p61 |
| 2026-10-16 | 0 | 0 | 0/5 | p61 |
| 2026-10-15 | 0 | 0 | 0/5 | p62 |
| 2026-10-14 | 0 | 0 | 0/5 | p75 |
| 2026-10-13 | 0 | 0 | 0/5 | p77 |
| 2026-10-12 | 0 | 0 | 0/5 | p82 |
| 2026-10-11 | 0 | 0 | 0/5 | p83 |
| 2026-10-10 | 0 | 0 | 0/5 | p83 |
| 2026-10-09 | 0 | 0 | 0/5 | p84 |
| 2026-10-08 | 0 | 0 | 0/5 | p83 |
Top water assets
- 66East Fork Grand River Dam H- 48reservoir
- 66West Fork Big Creek Dam B-147reservoir
- 66West Fork Big Creek Dam L- 66reservoir
- 66East Fork Grand River F-4 Damreservoir
- 66Grindstone-Lost-Muddy Watershed Dam B- 21reservoir
- 66Jamesport City Lake Damreservoir
- 66West Fork Big Creek Dam L- 38reservoir
- 66West Fork Big Creek Dam P- 21reservoir
- 66East Fork Grand River Watershed Site E-49reservoir
- 66East Fork Grand River Dam F- 67reservoir