Reservoir · Oregon · United States · BOR RISE
Fish Lake
Fish Lake and Fish Lake Dam
21.4% full
Capacity
9.74 hm³
Volume stored
2 hm³
Coordinates
42.378°N, 122.348°W
Last updated
2026-09-30
Current fill
21.4%vs 7 days ago
+1.2%gaining
vs 1 year ago
-20.1%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: 2026-09-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.378, -122.348 · Open in Google Maps
About Fish Lake
As of September 30, 2026, Fish Lake is filled to 21.4% of its total capacity, holding roughly 2 hm³ of water out of a maximum 10 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+1.2 pts), and it is 20.1 points below its level on the same date a year earlier.
Across the readings we hold for Fish Lake — 2188 data points between October 2, 2021 and September 30, 2026 — the level has ranged from a low of 11.7% (August 25, 2026) to a high of 80.5% (June 2, 2025). On average the reservoir is fullest around June and at its lowest around September.
It is operated by BOR primarily for multiple purposes. It lies within the Oregon basin at 42.378°N, 122.348°W.
Key facts
- Current fill level
- 21.4%
- Water stored
- 2 hm³
- Total capacity
- 10 hm³
- 7-day change
- ▲ 1.2 pts
- Year-on-year
- ▼ 20.1 pts
- Primary use
- Multipurpose
- River basin
- Oregon
- Operator
- BOR
- Coordinates
- 42.378°N, 122.348°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 21.4% | 2 |
| 29 Sep 2026 | 21.1% | 2 |
| 28 Sep 2026 | 20.9% | 2 |
| 27 Sep 2026 | 20.8% | 2 |
| 26 Sep 2026 | 20.6% | 2 |
| 25 Sep 2026 | 20.5% | 2 |
| 24 Sep 2026 | 20.3% | 2 |
| 23 Sep 2026 | 20.2% | 2 |
| 22 Sep 2026 | 20.0% | 2 |
| 21 Sep 2026 | 19.8% | 2 |
| 20 Sep 2026 | 19.7% | 2 |
| 19 Sep 2026 | 19.5% | 2 |