Sand Arroyo HUC8 11040004
A 1,973 km² sub-basin of the Arkansas-White-Red region in CO, 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
43
Stressed
Drought index
321
Extreme
Area in D2+
83.13%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
966
0 springs · 572 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 321 | 83.13 | — | — |
Top water assets
- 67North Fork Sand Arroyoriver
- 67Sand Arroyo Creekriver
- 67Sand Arroyo Creekriver
- 67Sand Arroyo Creekriver
- 67Sand Arroyo Creekriver
- 67North Fork Sand Arroyoriver
- 67Sand Arroyo Creekriver
- 67North Fork Sand Arroyoriver
- 67North Fork Sand Arroyoriver
- 67Sand Arroyo Creekriver