Lower Canadian-Walnut HUC8 11090202
A 4,747 km² sub-basin of the Arkansas-White-Red region in OK. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
54
Moderate
Drought index
363
Extreme
Area in D2+
70.22%
40.13% exceptional (D4)
Gauges below normal
0%
of 6 reporting
Median flow
319%
p81 of record
Water assets
4,053
11 springs · 2,709 wells
USGS gauges (7)
- Walnut Creek at Purcell, OK0722930010 cfsp33 · normal
- Canadian River at Purcell, OK07229200236 cfsp62 · normal
- Canadian River at Calvin, OK07231500715 cfsp79 · above normal
- Canadian River at Norman, OK07229050411 cfsp82 · above normal
- Canadian River at Bridgeport, OK07228500184 cfsp84 · above normal
- Canadian River near Mustang, OK07228940425 cfsp87 · above normal
- Canadian River near Cogar, OK07228650no readingno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 363 | 70.22 | 0/6 | p81 |
| 2026-10-20 | 363 | 70.22 | 0/6 | p87 |
| 2026-10-19 | 363 | 70.22 | 0/6 | p92 |
| 2026-10-18 | 363 | 70.22 | 0/6 | p96 |
| 2026-10-17 | 363 | 70.22 | 0/6 | p98 |
| 2026-10-16 | 363 | 70.22 | 0/6 | p98 |
| 2026-10-15 | 363 | 70.22 | 0/6 | p95 |
| 2026-10-14 | 363 | 70.22 | 5/6 | p19 |
| 2026-10-13 | 363 | 70.22 | 6/6 | p14 |
| 2026-10-12 | 363 | 70.22 | 5/6 | p14 |
| 2026-10-11 | 363 | 70.22 | 6/6 | p14 |
| 2026-10-10 | 363 | 70.22 | 4/6 | p16 |
| 2026-10-09 | 363 | 70.22 | 3/6 | p24 |
| 2026-10-08 | 410 | 100 | 2/6 | p31 |
Top water assets
- 76Mustang, City Ofwell
- 76Braum Family, Lp, W Hwell
- 76Norman, City Of,well
- 76Mustang, City Ofwell
- 76Braum Family, Lp, W Hwell
- 76Mustang, City Ofwell
- 76Whb Cattle Lpriver
- 76Braum Family, Lp, W Hwell
- 76Lexington Assessment Reception Ctrwell
- 76Purcell Public Works Authoritywell