Willard Bay Reservoir Water Level Today
Also known as Willard Bay
Daily level, distance to full pool and history for Willard Bay Reservoir, on the Offstream storage (Weber Basin Project) in Utah.
Updated · Source: Bureau of ReclamationReclamation
Water level
4,216.51ft
- 9.49 ftbelow full pool (4,226.0 ft)
- +0.02 ftin 24 h+0.41 ft in 7 days+0.20 ft in 30 days
- Full pool
- 1 yr ago
Is Willard Bay Reservoir full?
No. Willard Bay Reservoir is 9.49 ft below full pool (4,226.0 ft). It is 2.56 ft higher than a year ago (4,213.95 ft on Nov 7, 2025).
Willard Bay Reservoir level history
View data table
| Date | Level (ft) | % full |
|---|---|---|
| Nov 7, 2026 | 4,216.51 | — |
| Nov 6, 2026 | 4,216.49 | — |
| Nov 5, 2026 | 4,216.47 | — |
| Nov 4, 2026 | 4,216.42 | — |
| Nov 3, 2026 | 4,216.10 | — |
| Nov 2, 2026 | 4,216.10 | — |
| Nov 1, 2026 | 4,216.10 | — |
| Oct 31, 2026 | 4,216.10 | — |
| Oct 30, 2026 | 4,216.10 | — |
| Oct 29, 2026 | 4,216.10 | — |
| Oct 28, 2026 | 4,216.10 | — |
| Oct 27, 2026 | 4,216.10 | — |
| Oct 26, 2026 | 4,216.10 | — |
| Oct 25, 2026 | 4,216.10 | — |
| Oct 24, 2026 | 4,216.10 | — |
| Oct 23, 2026 | 4,216.10 | — |
| Oct 22, 2026 | 4,216.10 | — |
| Oct 21, 2026 | 4,216.10 | — |
| Oct 20, 2026 | 4,216.10 | — |
| Oct 19, 2026 | 4,216.10 | — |
| Oct 18, 2026 | 4,216.10 | — |
| Oct 17, 2026 | 4,216.11 | — |
| Oct 16, 2026 | 4,216.11 | — |
| Oct 15, 2026 | 4,216.11 | — |
| Oct 14, 2026 | 4,216.11 | — |
| Oct 13, 2026 | 4,216.19 | — |
| Oct 12, 2026 | 4,216.16 | — |
| Oct 11, 2026 | 4,216.13 | — |
| Oct 10, 2026 | 4,216.10 | — |
| Oct 9, 2026 | 4,216.21 | — |
| Oct 8, 2026 | 4,216.31 | — |
Low 4,213.78 ft · Dec 23High 4,217.57 ft · May 2
View data table
| Month | Low (ft) | High (ft) |
|---|---|---|
| Nov 2026 | 4,216.10 | 4,216.51 |
| Oct 2026 | 4,216.10 | 4,216.75 |
| Sep 2026 | 4,216.52 | 4,217.00 |
| Aug 2026 | 4,216.22 | 4,216.49 |
| Jul 2026 | 4,216.51 | 4,216.88 |
| Jun 2026 | 4,216.88 | 4,217.30 |
| May 2026 | 4,217.22 | 4,217.57 |
| Apr 2026 | 4,216.91 | 4,217.56 |
| Mar 2026 | 4,215.54 | 4,216.73 |
| Feb 2026 | 4,214.77 | 4,215.37 |
| Jan 2026 | 4,213.89 | 4,214.74 |
| Dec 2025 | 4,213.78 | 4,213.92 |
| Nov 2025 | 4,213.84 | 4,213.98 |
Full pool 4,226.0 ft
View data table
| Year | Low (ft) | High (ft) |
|---|---|---|
| 2026 | 4,213.89 | 4,217.57 |
| 2025 | 4,213.78 | 4,225.89 |
| 2024 | 4,222.29 | 4,227.20 |
| 2023 | 4,212.94 | 4,227.90 |
| 2022 | 4,212.50 | 4,216.70 |
| 2021 | 4,213.53 | 4,220.53 |
| 2020 | 4,219.25 | 4,225.79 |
| 2019 | 4,218.47 | 4,227.90 |
| 2018 | 4,218.38 | 4,225.13 |
| 2017 | 4,219.80 | 4,227.94 |
| 2016 | 4,219.56 | 4,219.65 |
Full pool 4,226.0 ftHighest 4,227.97 ft · May 24, 2017Lowest 4,207.90 ft · Oct 8, 2004
View data table
| Decade | Low (ft) | High (ft) |
|---|---|---|
| 2020s | 4,212.50 | 4,227.90 |
| 2010s | 4,212.85 | 4,227.94 |
| 2000s | 4,207.90 | 4,226.51 |
| 1990s | 4,214.17 | 4,226.20 |
| 1980s | 4,215.38 | 4,222.89 |
- Willard Bay Reservoir level
- Full pool 4,226.0 ft
- Above full pool
Willard Bay Reservoir on Nov 7 in past years
Lake facts
- Highest since 1985
- 4,227.97 ftMay 24, 2017
- Lowest since 1985
- 4,207.90 ftOct 8, 2004
- Data since
- Dec 22, 1985
- Dam
- Arthur V. Watkins Damcompleted 1964
- River
- Offstream storage (Weber Basin Project)
- Owned by
- Bureau of Reclamation
- Dam location
- Box Elder County
- Gauge location
- 41.3774, −112.0834
Dam, river and owner from the National Inventory of Dams (USACE). Records cover Dec 22, 1985 to today (daily averages).
Weather on the lake
- This Afternoon58°FHighLow 40°FENE 1 mphPartly Sunny
- Tonight40°FLowNE 2 mphMostly Cloudy
- Monday60°FHighLow 39°FNNW 2 mphPartly Sunny
- Tuesday57°FHighLow 39°FSW 2 mphSunny
- Wednesday58°FHighLow 39°FNNE 1 mphSunny
- Thursday58°FHighLow 40°FN 2 mphSunny
- Friday59°FHighLow 41°FSSE 0–3 mphMostly Sunny
Forecast: National Weather Service for the dam area (41.38, −112.08). Wind speeds are forecasts, not measurements.
Nearby lakes
Quick answers
What is the full pool level of Willard Bay Reservoir?
4,226.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Arthur V. Watkins Dam.
How much does Willard Bay Reservoir need to be full?
Willard Bay Reservoir needs 9.49 ft more water to reach full pool (4,226.0 ft), as of Nov 7, 2026.
Is Willard Bay Reservoir rising or falling?
It is rising: +0.41 ft in the last 7 days and +0.02 ft in 24 hours, to 4,216.51 ft on Nov 7, 2026 (Bureau of Reclamation).
When was Willard Bay Reservoir last full?
It was last at or above full pool (4,226.0 ft) on Jul 19, 2024. On Nov 7, 2026 it was 9.49 ft below.
What is the highest level in our data?
Willard Bay Reservoir reached 4,227.97 ft on May 24, 2017. The lowest was 4,207.90 ft on Oct 8, 2004 (Reclamation data since 1985; older records are not in this data set).
How much has Willard Bay Reservoir changed in the last year?
In the last 12 months it ranged from 4,213.78 ft (Dec 23, 2025) to 4,217.57 ft (May 2, 2026), a swing of 3.79 ft.
How often is this page updated?
This page is updated every day with the daily reading of the Bureau of Reclamation, which is usually published one or two days later. The last reading is from Nov 7, 2026.
Where this data comes from
Daily elevation from the Bureau of Reclamation (data.usbr.gov). Updated once a day. Weather from the National Weather Service. Dam details from the National Inventory of Dams.
Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.