Lake levels
Henry Hagg Lake, OR
- water level
- 267.32 ft
- Condition
- Below average for this time of year
- 7-day change
- -1.72 ft
- 30-day change
- -8.44 ft
- 1-year change
- +7.43 ft
Reading as of 2026-09-30 | the U.S. Bureau of Reclamation
- Since yesterday
- -0.27 ft
- 7-day change
- -1.72 ft
- 30-day change
- -8.44 ft
- 1-year change
- +7.43 ft
- Record high
- 303.50 ft
In brief
Henry Hagg Lake stood at 267.32 feet on Sep 30, 2026. That is lower than 69% of September readings since 2022.
Source: U.S. Bureau of Reclamation
Lake level timeline
Records and averages
| Current level | 267.32 ft |
|---|---|
| Record high | 303.50 ft (2022-05-17) |
| Record low | 255.53 ft (2025-10-23) |
| Average of all readings | 286.50 ft |
| Data span | 4 years (1,999 readings) |
Level schematic
Frequently asked questions
Is Henry Hagg Lake full right now?
As of 2026-09-30, Henry Hagg Lake sits at 267.32 ft, which is below average for this time of year. Over the past 30 days the level has fallen 8.44 ft.
What is the water level at Henry Hagg Lake today?
The most recent reading at Henry Hagg Lake is 267.32 ft (2026-09-30), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Henry Hagg Lake has ever been?
The highest level for Henry Hagg Lake in our records is 303.50 ft on 2022-05-17. The lowest is 255.53 ft on 2025-10-23. Our record covers about 4 years of readings.
Is Henry Hagg Lake low for this time of year?
Compared with every September in our records, the current level is higher than 31% of them, which we classify as below average for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Henry Hagg Lake low right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Henry Hagg Lake has fallen 8.44 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.
How much has Henry Hagg Lake changed over the past year?
Henry Hagg Lake is +7.43 ft compared with this date last year (267.32 ft today). The full-history chart above covers 4 years, with a record high of 303.50 ft and a record low of 255.53 ft.
Download and cite
Quote this reading
Henry Hagg Lake stood at 267.32 feet on Sep 30, 2026. That is lower than 69% of September readings since 2022.
Download the full record
henry-hagg-lake-or-water-level-history.csv
How to cite
MyWaterLevel, “Henry Hagg Lake water level, 2022 to 2026,” data from U.S. Bureau of Reclamation, https://mywaterlevel.com/lake/or/henry-hagg-lake/, accessed Oct 13, 2026.
Source: the U.S. Bureau of Reclamation. All Oregon lake levels. Readings are provisional and may be revised. About our data and methods.