Lower Walnut River HUC8 11030018
A 2,658 km² sub-basin of the Arkansas-White-Red region in KS. 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
70
Moderate
Drought index
220
Severe
Area in D2+
21.25%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
47%
p29 of record
Water assets
1,974
0 springs · 675 wells
USGS gauges (1)
- WALNUT R AT WINFIELD, KS0714780045 cfsp29 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 220 | 21.25 | 0/1 | p29 |