Reservoir · Oregon · United States · BOR RISE
Emigrant Lake and Dam (EMI)
25.2% full
Capacity
48.11 hm³
Volume stored
12 hm³
Coordinates
42.161°N, 122.605°W
Last updated
2026-07-28
Current fill
25.2%vs 7 days ago
-0.7%losing
vs 1 year ago
-32.6%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: 2026-07-28.
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 (EMI)
As of July 28, 2026, Emigrant Lake and Dam (EMI) is filled to 25.2% of its total capacity, holding roughly 12 hm³ of water out of a maximum 48 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-0.7 pts), and it is 32.6 points below its level on the same date a year earlier.
Across the readings we hold for Emigrant Lake and Dam (EMI) — 2189 data points between July 31, 2021 and July 28, 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
- 25.2%
- Water stored
- 12 hm³
- Total capacity
- 48 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▼ 32.6 pts
- Primary use
- Multipurpose
- River basin
- Oregon
- Operator
- BOR
- Coordinates
- 42.161°N, 122.605°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 25.2% | 12 |
| 27 Jul 2026 | 25.9% | 12 |
| 26 Jul 2026 | 26.5% | 13 |
| 25 Jul 2026 | 27.2% | 13 |
| 24 Jul 2026 | 27.9% | 13 |
| 23 Jul 2026 | 28.6% | 14 |
| 22 Jul 2026 | 29.2% | 14 |
| 21 Jul 2026 | 29.9% | 14 |
| 20 Jul 2026 | 30.6% | 15 |
| 19 Jul 2026 | 31.2% | 15 |
| 18 Jul 2026 | 31.9% | 15 |
| 17 Jul 2026 | 32.6% | 16 |
Frequently asked questions
What is the current water level of Emigrant Lake and Dam (EMI)?
As of July 28, 2026, Emigrant Lake and Dam (EMI) is at 25.2% of its capacity, holding approximately 12 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Emigrant Lake and Dam (EMI) reservoir full?
No. As of July 28, 2026, Emigrant Lake and Dam (EMI) is low at 25.2% of its capacity, so it is not full.
Is the water level at Emigrant Lake and Dam (EMI) rising or falling?
The level at Emigrant Lake and Dam (EMI) has been broadly stable over the latest week on record (-0.7 points).
How much water can Emigrant Lake and Dam (EMI) hold?
Emigrant Lake and Dam (EMI) has a total capacity of 48 hm³.
Where is Emigrant Lake and Dam (EMI) reservoir located?
Emigrant Lake and Dam (EMI) is located in Oregon, United States, within the Oregon basin (coordinates 42.161°N, 122.605°W).
What is Emigrant Lake and Dam (EMI) used for?
Emigrant Lake and Dam (EMI) is used primarily for multiple purposes, and is managed by BOR.