Lower Cimarron-Eagle Chief HUC8 11050001
A 6,272 km² sub-basin of the Arkansas-White-Red region in KS, 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
53
Moderate
Drought index
306
Extreme
Area in D2+
72.94%
2.74% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
117%
p38 of record
Water assets
2,071
18 springs · 855 wells
USGS gauges (2)
- Cimarron River near Buffalo, OK071579500 cfsp22 · below normal
- Cimarron River near Waynoka, OK0715800027 cfsp54 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 306 | 72.94 | 1/2 | p38 |
| 2026-10-20 | 306 | 72.94 | 0/2 | p40 |
| 2026-10-19 | 306 | 72.94 | 0/2 | p54 |
| 2026-10-18 | 306 | 72.94 | 0/2 | p53 |
| 2026-10-17 | 306 | 72.94 | 0/2 | p40 |
| 2026-10-16 | 306 | 72.94 | 0/2 | p53 |
| 2026-10-15 | 306 | 72.94 | 0/2 | p57 |
| 2026-10-14 | 306 | 72.94 | 0/2 | p53 |
| 2026-10-13 | 306 | 72.94 | 0/2 | p42 |
| 2026-10-12 | 306 | 72.94 | 0/2 | p42 |
| 2026-10-11 | 306 | 72.94 | 0/2 | p41 |
| 2026-10-10 | 306 | 72.94 | 0/2 | p52 |
| 2026-10-09 | 306 | 72.94 | 0/2 | p55 |
| 2026-10-08 | 351 | 100 | 0/2 | p42 |
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