Reservoir · Oregon · United States · BOR RISE
Clear Lake and Wasco Dam (WAS)
8.3% full
Capacity
14.64 hm³
Volume stored
1 hm³
Coordinates
45.176°N, 121.694°W
Last updated
2026-06-11
Current fill
8.3%vs 7 days ago
-0.3%losing
vs 1 year ago
-16.2%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: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 45.176, -121.694 · Open in Google Maps
About Clear Lake and Wasco Dam (WAS)
As of June 11, 2026, Clear Lake and Wasco Dam (WAS) is filled to 8.3% of its total capacity, holding roughly 1 hm³ of water out of a maximum 15 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it is 16.2 points below its level on the same date a year earlier.
Across the readings we hold for Clear Lake and Wasco Dam (WAS) — 2175 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 0.3% (August 16, 2025) to a high of 48.8% (June 23, 2022). On average the reservoir is fullest around May and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Oregon basin at 45.176°N, 121.694°W.
Key facts
- Current fill level
- 8.3%
- Water stored
- 1 hm³
- Total capacity
- 15 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 16.2 pts
- Primary use
- Multipurpose
- River basin
- Oregon
- Operator
- BOR
- Coordinates
- 45.176°N, 121.694°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 8.3% | 1 |
| 10 Jun 2026 | 8.6% | 1 |
| 9 Jun 2026 | 9.0% | 1 |
| 8 Jun 2026 | 9.2% | 1 |
| 7 Jun 2026 | 9.4% | 1 |
| 6 Jun 2026 | 9.7% | 1 |
| 5 Jun 2026 | 9.9% | 1 |
| 4 Jun 2026 | 10.2% | 2 |
| 3 Jun 2026 | 10.7% | 2 |
| 2 Jun 2026 | 10.9% | 2 |
| 1 Jun 2026 | 11.3% | 2 |
| 31 May 2026 | 11.7% | 2 |
Frequently asked questions
What is the current water level of Clear Lake and Wasco Dam (WAS)?
As of June 11, 2026, Clear Lake and Wasco Dam (WAS) is at 8.3% of its capacity, holding approximately 1 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Clear Lake and Wasco Dam (WAS) reservoir full?
No. As of June 11, 2026, Clear Lake and Wasco Dam (WAS) is critically low at 8.3% of its capacity, so it is not full.
Is the water level at Clear Lake and Wasco Dam (WAS) rising or falling?
The level at Clear Lake and Wasco Dam (WAS) has been broadly stable over the latest week on record (-0.3 points).
How much water can Clear Lake and Wasco Dam (WAS) hold?
Clear Lake and Wasco Dam (WAS) has a total capacity of 15 hm³.
Where is Clear Lake and Wasco Dam (WAS) reservoir located?
Clear Lake and Wasco Dam (WAS) is located in Oregon, United States, within the Oregon basin (coordinates 45.176°N, 121.694°W).
What is Clear Lake and Wasco Dam (WAS) used for?
Clear Lake and Wasco Dam (WAS) is used primarily for multiple purposes, and is managed by BOR.

