Upper Walnut River HUC8 11030017
A 2,513 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
60
Moderate
Drought index
203
Severe
Area in D2+
19.52%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
29%
p21 of record
Water assets
1,873
0 springs · 826 wells
USGS gauges (2)
- WB WALNUT R NR EL DORADO, KS071468001 cfsp12 · below normal
- WHITEWATER R AT TOWANDA, KS071470709 cfsp30 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 203 | 19.52 | 1/2 | p21 |
Top water assets
- 66Santa Fe Lake Damreservoir
- 66El Dorado Damreservoir
- 66Mpd No 14reservoir
- 66Unnamed Damreservoir
- 66Frd No 15reservoir
- 66No. 17reservoir
- 66Frd No 2reservoir
- 66Frd No 24reservoir
- 66Frd No 20reservoir
- 66Augusta Waterworks Damreservoir