Reservoir · Oregon · United States · BOR RISE
Henry Hagg Lake and Scoggins Dam (SCO)
62.5% full
Capacity
73.9 hm³
Volume stored
46 hm³
Coordinates
45.472°N, 123.200°W
Last updated
2026-07-28
Current fill
62.5%vs 7 days ago
-0.6%losing
vs 1 year ago
-23.0%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. 45.472, -123.200 · Open in Google Maps
About Henry Hagg Lake and Scoggins Dam (SCO)
As of July 28, 2026, Henry Hagg Lake and Scoggins Dam (SCO) is filled to 62.5% of its total capacity, holding roughly 46 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 held broadly steady (-0.6 pts), and it is 23.0 points below its level on the same date a year earlier.
Across the readings we hold for Henry Hagg Lake and Scoggins Dam (SCO) — 2190 data points between July 31, 2021 and July 28, 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
- 62.5%
- Water stored
- 46 hm³
- Total capacity
- 74 hm³
- 7-day change
- ▼ 0.6 pts
- Year-on-year
- ▼ 23.0 pts
- Primary use
- Multipurpose
- River basin
- Oregon
- Operator
- BOR
- Coordinates
- 45.472°N, 123.200°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 62.5% | 46 |
| 27 Jul 2026 | 63.1% | 47 |
| 26 Jul 2026 | 63.5% | 47 |
| 25 Jul 2026 | 63.9% | 47 |
| 24 Jul 2026 | 64.4% | 48 |
| 23 Jul 2026 | 64.8% | 48 |
| 22 Jul 2026 | 65.4% | 48 |
| 21 Jul 2026 | 66.0% | 49 |
| 20 Jul 2026 | 66.6% | 49 |
| 19 Jul 2026 | 67.1% | 50 |
| 18 Jul 2026 | 67.6% | 50 |
| 17 Jul 2026 | 68.1% | 50 |
Frequently asked questions
What is the current water level of Henry Hagg Lake and Scoggins Dam (SCO)?
As of July 28, 2026, Henry Hagg Lake and Scoggins Dam (SCO) is at 62.5% of its capacity, holding approximately 46 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Henry Hagg Lake and Scoggins Dam (SCO) reservoir full?
No. As of July 28, 2026, Henry Hagg Lake and Scoggins Dam (SCO) is within its normal operating range at 62.5% of its capacity, so it is not full.
Is the water level at Henry Hagg Lake and Scoggins Dam (SCO) rising or falling?
The level at Henry Hagg Lake and Scoggins Dam (SCO) has been broadly stable over the latest week on record (-0.6 points).
How much water can Henry Hagg Lake and Scoggins Dam (SCO) hold?
Henry Hagg Lake and Scoggins Dam (SCO) has a total capacity of 74 hm³.
Where is Henry Hagg Lake and Scoggins Dam (SCO) reservoir located?
Henry Hagg Lake and Scoggins Dam (SCO) 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 (SCO) used for?
Henry Hagg Lake and Scoggins Dam (SCO) is used primarily for multiple purposes, and is managed by BOR.