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Lake Powell & Lake Mead: Operational Diagrams. 1 Subject to April adjustments that may result in balancing releases or releases according to the Equalization Tier. 2 These are amounts of shortage (i.e., reduced deliveries in the United States).
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Lake Powell & Lake Mead: Operational Diagrams 1 Subject to April adjustments that may result in balancing releases or releases according to the Equalization Tier. 2 These are amounts of shortage (i.e., reduced deliveries in the United States). 3 If Lake Mead falls below elevation 1,025 ftmsl, the Department will initiate efforts to develop additional guidelines for shortages at lower Lake Mead elevations.
Lake Powell Capacity 3,700 ft 24.3 maf EqualizationTier 65 ft 3,636 ft 15.4 maf 63% of Live Capacity 3,635 ft Upper Elevation Balancing Tier 60 ft 3,627 ft 3,575 ft Mid-Elevation Release Tier 145 ft 3,525 ft Lower Elevation Balancing Tier 3,490 ft Minimum Power Pool Inactive Pool (4.0 maf) Dead Pool Elevation 3,370 ft Dead Pool (1.9 maf) As of March 21, 2012 Not to scale
Lake Mead Capacity 1,220 ft 25.9 maf Surplus Conditions 89 ft 15.9 maf 1,145 ft 1,131 ft 14.7 maf 57% of Live Capacity Normal or ICS Surplus Conditions 56 ft 81 ft 1,075 ft Shortage Conditions Minimum Power Pool 1,050 ft Inactive Pool (7.5 maf) Lower SNWA Intake 1,000 ft Dead Pool Elevation 895 ft Dead Pool (2.0 maf) As of March 21, 2012 Not to scale
