Reservoir · Oregon · United States · BOR RISE
Emigrant Lake and Dam
15.5% full
Capacity
48.11 hm³
Volume stored
8 hm³
Coordinates
42.161°N, 122.605°W
Last updated
2026-08-12
Current fill
15.5%vs 7 days ago
-4.6%losing
vs 1 year ago
-33.8%year-over-year
7-day trend
↓falling
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: 2026-08-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.161, -122.605 · Open in Google Maps
About Emigrant Lake and Dam
As of August 12, 2026, Emigrant Lake and Dam is filled to 15.5% of its total capacity, holding roughly 8 hm³ of water out of a maximum 48 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has fallen by 4.6 percentage points, and it is 33.8 points below its level on the same date a year earlier.
Across the readings we hold for Emigrant Lake and Dam — 2185 data points between August 15, 2021 and August 12, 2026 — the level has ranged from a low of 2.1% (October 20, 2021) to a high of 99.7% (April 27, 2025). On average the reservoir is fullest around May and at its lowest around November.
It is operated by BOR primarily for multiple purposes. It lies within the Oregon basin at 42.161°N, 122.605°W.
Key facts
- Current fill level
- 15.5%
- Water stored
- 8 hm³
- Total capacity
- 48 hm³
- 7-day change
- ▼ 4.6 pts
- Year-on-year
- ▼ 33.8 pts
- Primary use
- Multipurpose
- River basin
- Oregon
- Operator
- BOR
- Coordinates
- 42.161°N, 122.605°W
- Last updated
- August 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Aug 2026 | 15.5% | 7 |
| 11 Aug 2026 | 16.1% | 8 |
| 10 Aug 2026 | 16.7% | 8 |
| 7 Aug 2026 | 18.8% | 9 |
| 6 Aug 2026 | 19.5% | 9 |
| 5 Aug 2026 | 20.1% | 10 |
| 4 Aug 2026 | 20.8% | 10 |
| 3 Aug 2026 | 21.4% | 10 |
| 2 Aug 2026 | 22.0% | 11 |
| 31 Jul 2026 | 23.3% | 11 |
| 29 Jul 2026 | 24.5% | 12 |
| 28 Jul 2026 | 25.2% | 12 |
Frequently asked questions
What is the current water level of Emigrant Lake and Dam?
As of August 12, 2026, Emigrant Lake and Dam is at 15.5% of its capacity, holding approximately 8 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Emigrant Lake and Dam reservoir full?
No. As of August 12, 2026, Emigrant Lake and Dam is critically low at 15.5% of its capacity, so it is not full.
Is the water level at Emigrant Lake and Dam rising or falling?
The level at Emigrant Lake and Dam is falling — it dropped 4.6 percentage points over the latest week on record.
How much water can Emigrant Lake and Dam hold?
Emigrant Lake and Dam has a total capacity of 48 hm³.
Where is Emigrant Lake and Dam reservoir located?
Emigrant Lake and Dam is located in Oregon, United States, within the Oregon basin (coordinates 42.161°N, 122.605°W).
What is Emigrant Lake and Dam used for?
Emigrant Lake and Dam is used primarily for multiple purposes, and is managed by BOR.

