Reservoirs
Below normalNavajo Reservoir water level
Live reservoir storage and water level in San Juan-Colorado basin, New Mexico / Colorado
Data through Aug 25, 2026 · source last checked Aug 27, 2026 · page revised Aug 27, 2026
Cite
- Storage
About this data
- Source
- US Bureau of Reclamation RISE; California reservoirs via CA DWR CDEC
- Series
- End-of-day reservoir storage
- Geography
- Navajo Reservoir water level
- Unit
- acre-feet
- Calculation
- Daily reading
- Last observation
- Aug 25, 2026
- Update frequency
- Daily
Now 822,606 af, 20% below the 5-yr median, 49% of capacity.
Navajo Reservoir storage fell to 822,606 af, down 8.9% on the month and 10.5% on the year. The reservoir sits 20% below its 5-year median and is at 49% of capacity.
| Period | Current | Prior | Change |
|---|---|---|---|
| Week over week | 822,606 af | 843,115 af | -2.4% |
| Month over month | 822,606 af | 902,597 af | -8.9% |
| Year over year | 822,606 af | 919,011 af | -10.5% |
| vs 5-yr median | 822,606 af | 1.02M af | -19.7% |
| Measure | Value | Source |
|---|---|---|
| Full pool elevation | 6,085 ft above sea level (spillway elevation) | USBR |
| Maximum depth at the dam | 381.6 ft | USBR |
| Surface area at full pool | 15,600 acres | USBR |
| Total capacity | 1,696,000 acre-feet | USBR |
Previous weeks
Week of Aug 19, 2026
Navajo Reservoir held 839,895 af on August 19, down 8.2% from a month earlier. Storage sits 19% below the 5-year median and represents 50% of capacity. Year over year, the reservoir has declined 10.2%.
An earlier week
Navajo storage stood at 861,191 af on August 12, down 7.7% month over month and 9.6% year over year. The reservoir sits 18% below its 5-year median and 51% of capacity.
Week of Aug 13, 2026
Navajo storage was 869,867 af, down 9.5% year over year and 18% below the 5-year median. The reservoir sits at 51% of capacity. Storage declined 7.6% over the past month.
About Navajo Reservoir
Navajo Dam impounds the San Juan River and backs water about 35 miles upstream into southern Colorado, one of the four main storage units of the Colorado River Storage Project. Reclamation operates it for irrigation, municipal and industrial supply, drought reserve, and flood control. Cold releases below the dam feed a well-known tailwater trout fishery.
Total capacity is 1.70M af, over the past five years storage has ranged from 822,606 af to 1.34M af.
Navajo Reservoir is one of the 20 major reservoirs this site totals each day, and one of several it tracks in the San Juan-Colorado basin. For the combined picture, western reservoir levels carries the storage of all 20 on one chart, which is the number to watch when the question is about the West as a whole rather than about this project.
Those figures describe the reservoir at full pool, not today. The chart at the top of this page tracks storage in acre-feet rather than water depth, so read the current figure against total capacity for how full the reservoir is, and against the full pool elevation and maximum depth for the size of the water column behind the dam. The two do not move together one for one: a reservoir narrows as it deepens, so one holding half its capacity still stands more than half as deep.
Sources: full pool elevation and surface area from the Bureau of Reclamation; maximum depth from the Bureau of Reclamation; total capacity from the Bureau of Reclamation.