Basin Pulse
Loading the latest Bureau of Reclamation readings

Colorado River Basin · Daily reservoir monitor

Four reservoirs.
One daily pulse.

Live elevation, storage movement, and the water remaining before each critical line.

Combined daily changeThrough Jul 24, 2026

−16,770 acre-feet

The four-reservoir system lost 16,770 acre-feet since the prior daily reading.

Mead
−7,620 AF
Powell
−6,260 AF
Blue Mesa
−1,290 AF
Flaming Gorge
−1,600 AF
Combined storage15.43M AF26.6% of combined published capacity

Lower Colorado · Arizona / Nevada

Lake Mead

Last verified
Elevation

1,041.27 ft

−0.11 ft
Storage

7,065,370 AF

−7,620 AF
Now
895 ftFull pool 1,229 ft

Critical-level runway

Elevation · storage
  • Tier 1 shortageLower Basin shortage trigger
    33.73 ft below2.33M AF below
  • Minimum power poolEstimated lower limit for generation
    91.27 ft remaining2.51M AF remaining
  • Dead poolWater can no longer pass the dam
    146.27 ft remaining4.52M AF remaining

Upper Colorado · Arizona / Utah

Lake Powell

Last verified
Elevation

3,523.04 ft

−0.11 ft
Storage

5,432,790 AF

−6,260 AF
Now
3,370 ftFull pool 3,700 ft

Critical-level runway

Elevation · storage
  • DROA targetResponse buffer above minimum power
    1.96 ft below467k AF below
  • Minimum power poolLowest elevation for hydropower
    33.04 ft remaining1.43M AF remaining
  • Dead poolNo excess water can pass the dam
    153.04 ft remaining5.43M AF remaining

Gunnison River · Colorado

Blue Mesa

Last verified
Elevation

7,437.65 ft

−0.27 ft
Storage

246,127 AF

−1,290 AF
Now
7,358 ftFull pool 7,519 ft

Critical-level runway

Elevation · storage
  • Inactive poolTop of inactive conservation storage
    44.65 ft remaining167k AF remaining
  • Dead poolTop of dead storage
    79.65 ft remaining246k AF remaining

Green River · Utah / Wyoming

Flaming Gorge

Last verified
Elevation

6,013.21 ft

−0.05 ft
Storage

2,686,080 AF

−1,600 AF
Now
5,740 ftFull pool 6,040 ft

Critical-level runway

Elevation · storage
  • Inactive poolTop of inactive conservation storage
    142.21 ft remaining2.45M AF remaining
  • Dead poolTop of dead storage
    273.21 ft remaining2.69M AF remaining