Brawley Wash HUC8 15050304
A 3,649 km² sub-basin of the Lower Colorado region in AZ. 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
62
Moderate
Drought index
28
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
—
p10 of record
Water assets
2,532
8 springs · 907 wells
USGS gauges (5)
- ALTAR WASH NEAR THREE POINTS, AZ.094868000 cfsp10 · below normal
- POZO HONDO WASH NEAR SASABE, AZ094865500 cfsno long-term record
- LAS MORAS WASH (UPPER STATION) NEAR SASABE, AZ094865600 cfsno long-term record
- LAS MORAS WASH (MIDDLE STATION) NEAR SASABE, AZ094865650 cfsno long-term record
- LAS MORAS WASH (LOWER STATION) NEAR SASABE, AZ094865700 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 28 | 0 | 1/1 | p10 |
| 2026-10-20 | 28 | 0 | 1/1 | p10 |
| 2026-10-19 | 28 | 0 | 1/1 | p10 |
| 2026-10-18 | 28 | 0 | 1/1 | p10 |
| 2026-10-17 | 28 | 0 | 1/1 | p10 |
| 2026-10-16 | 28 | 0 | 1/1 | p10 |
| 2026-10-15 | 28 | 0 | 1/1 | p10 |
| 2026-10-14 | 28 | 0 | 1/1 | p10 |
| 2026-10-13 | 28 | 0 | 1/1 | p10 |
| 2026-10-12 | 28 | 0 | 1/1 | p10 |
| 2026-10-11 | 28 | 0 | 1/1 | p10 |
| 2026-10-10 | 28 | 0 | 1/1 | p10 |
| 2026-10-09 | 28 | 0 | 1/1 | p10 |
| 2026-10-08 | 28 | 0 | 1/1 | p10 |
Top water assets
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- 67Arivaca Creekriver
- 67Arivaca Washriver
- 67Arivaca Creekriver
- 67Altar Washriver
- 67Blanco Washriver
- 67Brawley Washriver