Marmaton HUC8 10290104
A 2,956 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
58
Moderate
Drought index
238
Severe
Area in D2+
38.12%
0% exceptional (D4)
Gauges below normal
60%
of 5 reporting
Median flow
17%
p12 of record
Water assets
1,192
2 springs · 138 wells
USGS gauges (5)
- East Drywood Creek at Prairie State Park069176300 cfsp10 · below normal
- Marmaton River near Richards, MO069175601 cfsp10 · below normal
- Marmaton River near Nevada, MO069180603 cfsp12 · below normal
- MARMATON R NR UNIONTOWN, KS069172400 cfsp30 · normal
- MARMATON R NR FORT SCOTT, KS069175004 cfsp51 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 238 | 38.12 | 3/5 | p12 |
Top water assets
- 66Dd Iv-18reservoir
- 66K-1reservoir
- 66Crawford County State Lakereservoir
- 66Robinson Sitereservoir
- 66Dd No E-5reservoir
- 66Dd No B-3reservoir
- 66Bone Creek Reservoirreservoir
- 66Bushwhacker Damreservoir
- 66J-2reservoir
- 66Pawnee Wildlife Reservoirreservoir