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Preparing lake level chart... Level Base: MSL. Full Pool: 3,700.00 feet. Change Since Yesterday: 0.08 Feet. Level Controlled by: Dam Name: Powell (DIVISION OF STATE LANDS & FORESTRY) Daily Levels By Month. Colorado River River Levels.
By content, Lake Powell is 37.7% of Full Pool (24,322,000 af) Total inflows for water year 2024: 8,028,290 acre feet. This is 78.06% of the September 25th average of 10,284,515 acre feet. Total releases for water year 2024: 7,347,592 acre feet.
Total releases for water year 2024: 7,308,623 acre feet. This is 97.45% of the minimum required of 7,500,000 acre feet. During WY 2024, water storage has risen by 396,694 AF and total inflows have exceeded total outflows by 692,826 AF. The 34 tracked reservoirs above Lake Powell are currently at 78.18% of capacity.
The water year (WY) 2024 unregulated inflow into Lake Powell in the September Probable Minimum inflow scenario is 8.08 million acre-feet (maf), or 84% of average. The Probable Minimum 24-Month Study includes a release volume from Glen Canyon Dam of 7.48 maf in WY 2024 and in WY 2025.
Consistent with Section 6.C.1 of the Interim Guidelines, as amended by the 2024 Interim Guidelines SEIS ROD), the operational tier for Lake Powell in water year 2025 is the Mid-Elevation Release Tier and the water year release volume from Lake Powell is 7.48 maf.
Based on this projection, Lake Powell will operate in the Mid-Elevation Release Tier in water year 2024 (October 1, 2023, through September 30, 2024). Under this tier, Lake Powell will release 7.48 million acre-feet in water year 2024 without the potential for a mid-year adjustment in April 2024.
Monitoring location 09379900 is associated with a Lake, Reservoir, Impoundment in Coconino County, Arizona. Current conditions of Lake or reservoir water surface elevation above NAVD 1988 and Lake or reservoir water surface elevation above NGVD 1929 are available.
In this study, we aim to investigate whether the size of Lake Powell has increased or decreased in water levels throughout the years and whether it is at risk of losing the ability to provide hydropower to Americans.
Descriptions of the 24-Month Study hydrologic scenarios are also documented in Monthly Summary Reports. Lake Powell and Lake Mead end-of-month elevation charts are shown below. Projected Lake Powell end-of-month physical elevations from the latest 24-Month Study inflow scenarios.
An above-average snowfall and excessive precipitation last spring and this winter have bolstered the water levels at Lake Powell and Lake Mead, and a new chart shared by the CBRFC shows...