Black HUC8 15060101
A 3,241 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
291
Severe
Area in D2+
91.17%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
49%
p15 of record
Water assets
1,284
4 springs · 13 wells
USGS gauges (3)
- BLACK RVR BLW PUMPING PLANT, NR POINT OF PINES, AZ0948950020 cfsp9 · much below normal
- BLACK RIVER NEAR FORT APACHE, AZ.0949050047 cfsp21 · below normal
- NORTH FORK THOMAS CREEK NEAR ALPINE, AZ094890821 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 291 | 91.17 | 2/2 | p15 |
Top water assets
- 69Reservation Creekriver
- 69West Fork Black Riverriver
- 69Turkey Creekriver
- 69North Fork East Fork Black Riverriver
- 69Black Riverriver
- 69Tonto Creekriver
- 69Black Riverriver
- 69Black Rvr Blw Pumping Plant, Nr Point Of Pines, Azriver
- 69Black Riverriver
- 69Tonto Creekriver