Upper Gila-San Carlos Reservoir HUC8 15040005
A 7,172 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
60
Moderate
Drought index
215
Severe
Area in D2+
30.71%
0% exceptional (D4)
Gauges below normal
20%
of 5 reporting
Median flow
92%
p45 of record
Water assets
4,806
166 springs · 2,074 wells
USGS gauges (6)
- GILA RIVER AT HEAD OF SAFFORD VALLEY, NR SOLOMON,0944850042 cfsp7 · much below normal
- GILA RIVER AT CALVA, AZ0946650024 cfsp39 · normal
- BONITA CREEK NEAR MORENCI, AZ.094478003 cfsp45 · normal
- EAGLE CREEK ABOVE PUMPING PLANT, NEAR MORENCI, AZ.0944700038 cfsp75 · above normal
- EAGLE CREEK NR DOUBLE CIRCLE RANCH, NR MORENCI, AZ0944650030 cfsp85 · above normal
- EAGLE CREEK AT EAGLE SCHOOL RD, NEAR MORENCI, AZ094463203 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 215 | 30.71 | 1/5 | p45 |
Top water assets
- 69Willow Creekriver
- 69Willow Creekriver
- 69Eagle Creekriver
- 69Eagle Creekriver
- 69Dry Prong Creekriver
- 69East Eagle Creekriver
- 69East Eagle Creekriver
- 69Eagle Creekriver
- 69Eagle Creekriver
- 69East Eagle Creekriver