Reservoir · Oregon · United States · BOR RISE
Henry Hagg Lake
Henry Hagg Lake and Scoggins Dam
32.3% full
Capacity
73.9 hm³
Volume stored
24 hm³
Coordinates
45.472°N, 123.200°W
Last updated
2026-09-30
Current fill
32.3%vs 7 days ago
-2.3%losing
vs 1 year ago
+9.0%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: 2026-09-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 45.472, -123.200 · Open in Google Maps
About Henry Hagg Lake
As of September 30, 2026, Henry Hagg Lake is filled to 32.3% of its total capacity, holding roughly 24 hm³ of water out of a maximum 74 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has fallen by 2.3 percentage points, and it is 9.0 points above its level on the same date a year earlier.
Across the readings we hold for Henry Hagg Lake — 2190 data points between October 2, 2021 and September 30, 2026 — the level has ranged from a low of 18.4% (October 23, 2025) to a high of 89.0% (May 11, 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 45.472°N, 123.200°W.
Key facts
- Current fill level
- 32.3%
- Water stored
- 24 hm³
- Total capacity
- 74 hm³
- 7-day change
- ▼ 2.3 pts
- Year-on-year
- ▲ 9.0 pts
- Primary use
- Multipurpose
- River basin
- Oregon
- Operator
- BOR
- Coordinates
- 45.472°N, 123.200°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 32.3% | 24 |
| 29 Sep 2026 | 32.7% | 24 |
| 28 Sep 2026 | 33.0% | 24 |
| 27 Sep 2026 | 33.3% | 25 |
| 26 Sep 2026 | 33.6% | 25 |
| 25 Sep 2026 | 33.9% | 25 |
| 24 Sep 2026 | 34.2% | 25 |
| 23 Sep 2026 | 34.6% | 26 |
| 22 Sep 2026 | 35.0% | 26 |
| 21 Sep 2026 | 35.4% | 26 |
| 20 Sep 2026 | 35.9% | 27 |
| 19 Sep 2026 | 36.3% | 27 |