Big Sandy HUC8 11020011
A 4,794 km² sub-basin of the Arkansas-White-Red region in CO. 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
78
Healthy
Drought index
4
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
1,007
0 springs · 285 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 4 | 0 | — | — |
| 2026-10-20 | 4 | 0 | — | — |
| 2026-10-19 | 4 | 0 | — | — |
| 2026-10-18 | 4 | 0 | — | — |
| 2026-10-17 | 4 | 0 | — | — |
| 2026-10-16 | 4 | 0 | — | — |
| 2026-10-15 | 4 | 0 | — | — |
| 2026-10-14 | 4 | 0 | — | — |
| 2026-10-13 | 4 | 0 | — | — |
| 2026-10-12 | 4 | 0 | — | — |
| 2026-10-11 | 4 | 0 | — | — |
| 2026-10-10 | 4 | 0 | — | — |
| 2026-10-09 | 4 | 0 | — | — |
| 2026-10-08 | 32 | 0 | — | — |
Top water assets
- 69Big Sandy Creekriver
- 69Big Sandy Creekriver
- 69Big Sandy Creekriver
- 69Big Sandy Creekriver
- 69Big Sandy Creekriver
- 69Big Sandy Creekriver
- 69Big Sandy Creekriver
- 69Big Sandy Creek Watershed S-23reservoir
- 69Big Sandy Creekriver
- 69Big Sandy Creekriver