Big Sandy HUC8 15030201
A 5,576 km² sub-basin of the Lower Colorado region in AZ. 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
42
Stressed
Drought index
160
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
0%
p0 of record
Water assets
1,287
34 springs · 394 wells
USGS gauges (4)
- BIG SANDY RIVER NEAR WIKIEUP, AZ094244500 cfsp0 · much below normal
- TROUT CREEK ABOVE KNIGHT CREEK, NEAR WIKIEUP, AZ094243801 cfsno long-term record
- COFER HOT SPRING OUTFLOW NEAR WIKIEUP, AZ094244220 cfsno long-term record
- BIG SANDY RIVER AT US 93 BRIDGE, NEAR WIKIEUP, AZ094244250 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 160 | 0 | 1/1 | p0 |
Top water assets
- 69Cow Creekriver
- 69Muddy Creekriver
- 69Trout Creekriver
- 69Cow Creekriver
- 69Muddy Creekriver
- 69Muddy Creekriver
- 69Muddy Creekriver
- 69Muddy Creekriver
- 69Muddy Creekriver
- 69Muddy Creekriver