South Fork Big Nemaha HUC8 10240007
A 1,841 km² sub-basin of the Missouri region in KS, NE. 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
84
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
92%
p47 of record
Water assets
1,198
0 springs · 454 wells
USGS gauges (1)
- TURKEY C NR SENECA, KS068140008 cfsp47 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 0/1 | p47 |
Top water assets
- 66Unnamed Damreservoir
- 66Wenzl Damreservoir
- 66Unnamed Damreservoir
- 66Nemaha Co State Lakereservoir
- 66Rock Creek 22-Areservoir
- 66South Fork 2-Areservoir
- 66South Fork 1-1reservoir
- 66Unnamed Damreservoir
- 66Rock Creek 24-Areservoir
- 66Rock Creek 1-7reservoir