Little Osage HUC8 10290103
A 1,505 km² sub-basin of the Missouri region in KS, MO. 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
62
Moderate
Drought index
191
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
37%
p29 of record
Water assets
648
0 springs · 131 wells
USGS gauges (2)
- L OSAGE R AT FULTON, KS069170000 cfsp17 · below normal
- Little Osage River at Horton, MO069170606 cfsp41 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 191 | 0 | 1/2 | p29 |
Top water assets
- 66Indian Creek Projectreservoir
- 66Bourbon Co. Water Supply Res.reservoir
- 66Hidden Valley Lakesreservoir
- 66Unnamed Damreservoir
- 66Timber Hills Lakereservoir
- 65Kysar Lakereservoir
- 65Duncan Creekriver
- 65L Osage R At Fulton, Ksriver
- 65Unnamed Damreservoir
- 65Unnamed Damreservoir