Reservoir · Utah · United States · BOR RISE
Washington Lake
77.8% full
Capacity
3.34 hm³
Volume stored
3 hm³
Coordinates
40.676°N, 110.964°W
Last updated
2026-07-27
Current fill
77.8%vs 7 days ago
-0.3%losing
vs 1 year ago
-9.3%year-over-year
7-day trend
→stable
Data source: BOR RISE — US Bureau of Reclamation — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-07-27.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.676, -110.964 · Open in Google Maps
About Washington Lake
As of July 27, 2026, Washington Lake is filled to 77.8% of its total capacity, holding roughly 3 hm³ of water out of a maximum 3 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it is 9.3 points below its level on the same date a year earlier.
Across the readings we hold for Washington Lake — 1823 data points between July 31, 2021 and July 27, 2026 — the level has ranged from a low of 9.0% (September 19, 2024) to a high of 90.4% (June 21, 2023). On average the reservoir is fullest around June and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Utah basin at 40.676°N, 110.964°W.
Key facts
- Current fill level
- 77.8%
- Water stored
- 3 hm³
- Total capacity
- 3 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 9.3 pts
- Primary use
- Multipurpose
- River basin
- Utah
- Operator
- BOR
- Coordinates
- 40.676°N, 110.964°W
- Last updated
- July 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Jul 2026 | 77.8% | 3 |
| 26 Jul 2026 | 78.1% | 3 |
| 25 Jul 2026 | 78.1% | 3 |
| 24 Jul 2026 | 78.4% | 3 |
| 23 Jul 2026 | 78.7% | 3 |
| 22 Jul 2026 | 78.7% | 3 |
| 21 Jul 2026 | 79.0% | 3 |
| 20 Jul 2026 | 79.3% | 3 |
| 19 Jul 2026 | 79.3% | 3 |
| 18 Jul 2026 | 79.9% | 3 |
| 17 Jul 2026 | 80.2% | 3 |
| 16 Jul 2026 | 80.5% | 3 |
Frequently asked questions
What is the current water level of Washington Lake?
As of July 27, 2026, Washington Lake is at 77.8% of its capacity, holding approximately 3 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Washington Lake reservoir full?
No. As of July 27, 2026, Washington Lake is within its normal operating range at 77.8% of its capacity, so it is not full.
Is the water level at Washington Lake rising or falling?
The level at Washington Lake has been broadly stable over the latest week on record (-0.3 points).
How much water can Washington Lake hold?
Washington Lake has a total capacity of 3 hm³.
Where is Washington Lake reservoir located?
Washington Lake is located in Utah, United States, within the Utah basin (coordinates 40.676°N, 110.964°W).
What is Washington Lake used for?
Washington Lake is used primarily for multiple purposes, and is managed by BOR.