Lower Osage HUC8 10290111
A 2,791 km² sub-basin of the Missouri region in 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
72
Moderate
Drought index
19
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
40%
of 5 reporting
Median flow
50%
p28 of record
Water assets
1,899
10 springs · 1,191 wells
USGS gauges (5)
- Osage River at Tuscumbia, MO06926080625 cfsp5 · much below normal
- Tavern Creek below St. Elizabeth, MO0692629011 cfsp15 · below normal
- Osage River below St. Thomas, MO069265101,350 cfsp28 · normal
- Maries River at Westphalia, MO069270003 cfsp31 · normal
- Osage River near Bagnell, MO069260001,570 cfsp38 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 19 | 0 | 2/5 | p28 |
Top water assets
- 66Twehous Lake Damreservoir
- 66Rinquelin Trail Damreservoir
- 66Groff Lake Damreservoir
- 66Schell-Kampeter Damreservoir
- 65Sam Hammond Damreservoir
- 65Nepomuceno Lake Damreservoir
- 65Osage River Below St. Thomas, Moriver
- 65Wilson Lake Damreservoir
- 65Tavern Creek Below St. Elizabeth, Moriver
- 65Osage River At Tuscumbia, Moriver