Middle Gila HUC8 15050100
A 8,508 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
68
Moderate
Drought index
126
Moderate
Area in D2+
5.71%
0% exceptional (D4)
Gauges below normal
25%
of 4 reporting
Median flow
68%
p39 of record
Water assets
4,478
12 springs · 3,277 wells
USGS gauges (5)
- GILA RIVER NEAR MARICOPA, AZ.094793500 cfsp10 · below normal
- GILA RIVER AT KELVIN, AZ.0947400075 cfsp37 · normal
- FLORENCE-CASA GRANDE CANAL, NEAR FLORENCE, AZ.0947550059 cfsp41 · normal
- GILA RIVER BELOW COOLIDGE DAM, AZ.0946950061 cfsp43 · normal
- QUEEN CREEK BELOW WHITLOW DAM NR SUPERIOR, AZ.094785002 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 126 | 5.71 | 1/4 | p39 |
| 2026-10-21 | 126 | 5.71 | 1/4 | p39 |
| 2026-10-20 | 126 | 5.71 | 1/4 | p38 |
| 2026-10-19 | 126 | 5.71 | 1/4 | p32 |
| 2026-10-18 | 126 | 5.71 | 2/4 | p27 |
| 2026-10-17 | 126 | 5.71 | 2/4 | p23 |
| 2026-10-16 | 126 | 5.71 | 2/4 | p23 |
| 2026-10-15 | 140 | 10.14 | 2/4 | p22 |
| 2026-10-14 | 140 | 10.14 | 2/4 | p21 |
| 2026-10-13 | 140 | 10.14 | 2/4 | p20 |
| 2026-10-12 | 140 | 10.14 | 2/4 | p20 |
| 2026-10-11 | 140 | 10.14 | 2/4 | p19 |
| 2026-10-10 | 140 | 10.14 | 2/4 | p19 |
| 2026-10-09 | 140 | 10.14 | 3/4 | p13 |
Top water assets
- 67Whitlow Ranch Damreservoir
- 67Gila River Below Coolidge Dam, Az.river
- 67Coolidgereservoir
- 67Deer Creekriver
- 67Ash Creekriver
- 67Gila Riverriver
- 67Brady Washriver
- 67Queen Creekriver
- 67Brady Washriver
- 67Coronado Washriver