Reservoir · Oregon · United States · BOR RISE
Henry Hagg Lake and Scoggins Dam
54.8% full
Capacity
73.9 hm³
Volume stored
41 hm³
Coordinates
45.472°N, 123.200°W
Last updated
2026-08-11
Current fill
54.8%vs 7 days ago
-3.9%losing
vs 1 year ago
+4.8%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: 2026-08-11.
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 and Scoggins Dam
As of August 11, 2026, Henry Hagg Lake and Scoggins Dam is filled to 54.8% of its total capacity, holding roughly 41 hm³ of water out of a maximum 74 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 3.9 percentage points, and it is 4.8 points above its level on the same date a year earlier.
Across the readings we hold for Henry Hagg Lake and Scoggins Dam — 2189 data points between August 15, 2021 and August 11, 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
- 54.8%
- Water stored
- 41 hm³
- Total capacity
- 74 hm³
- 7-day change
- ▼ 3.9 pts
- Year-on-year
- ▲ 4.8 pts
- Primary use
- Multipurpose
- River basin
- Oregon
- Operator
- BOR
- Coordinates
- 45.472°N, 123.200°W
- Last updated
- August 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Aug 2026 | 54.8% | 40 |
| 10 Aug 2026 | 55.4% | 41 |
| 9 Aug 2026 | 55.9% | 41 |
| 8 Aug 2026 | 56.5% | 42 |
| 7 Aug 2026 | 57.0% | 42 |
| 6 Aug 2026 | 57.6% | 43 |
| 5 Aug 2026 | 58.1% | 43 |
| 4 Aug 2026 | 58.7% | 43 |
| 3 Aug 2026 | 59.2% | 44 |
| 2 Aug 2026 | 59.9% | 44 |
| 1 Aug 2026 | 60.4% | 45 |
| 31 Jul 2026 | 61.0% | 45 |
Frequently asked questions
What is the current water level of Henry Hagg Lake and Scoggins Dam?
As of August 11, 2026, Henry Hagg Lake and Scoggins Dam is at 54.8% of its capacity, holding approximately 41 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Henry Hagg Lake and Scoggins Dam reservoir full?
No. As of August 11, 2026, Henry Hagg Lake and Scoggins Dam is within its normal operating range at 54.8% of its capacity, so it is not full.
Is the water level at Henry Hagg Lake and Scoggins Dam rising or falling?
The level at Henry Hagg Lake and Scoggins Dam is falling — it dropped 3.9 percentage points over the latest week on record.
How much water can Henry Hagg Lake and Scoggins Dam hold?
Henry Hagg Lake and Scoggins Dam has a total capacity of 74 hm³.
Where is Henry Hagg Lake and Scoggins Dam reservoir located?
Henry Hagg Lake and Scoggins Dam is located in Oregon, United States, within the Oregon basin (coordinates 45.472°N, 123.200°W).
What is Henry Hagg Lake and Scoggins Dam used for?
Henry Hagg Lake and Scoggins Dam is used primarily for multiple purposes, and is managed by BOR.