Reservoir · Oregon · United States · BOR RISE
Agate Reservoir and Dam
15.1% full
Capacity
5.9 hm³
Volume stored
1 hm³
Coordinates
42.415°N, 122.772°W
Last updated
2026-08-11
Current fill
15.1%vs 7 days ago
-5.6%losing
vs 1 year ago
-38.3%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. 42.415, -122.772 · Open in Google Maps
About Agate Reservoir and Dam
As of August 11, 2026, Agate Reservoir and Dam is filled to 15.1% of its total capacity, holding roughly 1 hm³ of water out of a maximum 6 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has fallen by 5.6 percentage points, and it is 38.3 points below its level on the same date a year earlier.
Across the readings we hold for Agate Reservoir and Dam — 2188 data points between August 15, 2021 and August 11, 2026 — the level has ranged from a low of 9.3% (October 8, 2021) to a high of 100.2% (March 16, 2025). On average the reservoir is fullest around April and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Oregon basin at 42.415°N, 122.772°W.
Key facts
- Current fill level
- 15.1%
- Water stored
- 1 hm³
- Total capacity
- 6 hm³
- 7-day change
- ▼ 5.6 pts
- Year-on-year
- ▼ 38.3 pts
- Primary use
- Multipurpose
- River basin
- Oregon
- Operator
- BOR
- Coordinates
- 42.415°N, 122.772°W
- Last updated
- August 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Aug 2026 | 15.1% | 1 |
| 10 Aug 2026 | 15.3% | 1 |
| 9 Aug 2026 | 15.8% | 1 |
| 8 Aug 2026 | 16.8% | 1 |
| 7 Aug 2026 | 17.8% | 1 |
| 6 Aug 2026 | 18.8% | 1 |
| 5 Aug 2026 | 19.7% | 1 |
| 4 Aug 2026 | 20.7% | 1 |
| 3 Aug 2026 | 21.5% | 1 |
| 2 Aug 2026 | 22.4% | 1 |
| 1 Aug 2026 | 23.4% | 1 |
| 31 Jul 2026 | 24.2% | 1 |
Frequently asked questions
What is the current water level of Agate Reservoir and Dam?
As of August 11, 2026, Agate Reservoir and Dam is at 15.1% of its capacity, holding approximately 1 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Agate Reservoir and Dam reservoir full?
No. As of August 11, 2026, Agate Reservoir and Dam is critically low at 15.1% of its capacity, so it is not full.
Is the water level at Agate Reservoir and Dam rising or falling?
The level at Agate Reservoir and Dam is falling — it dropped 5.6 percentage points over the latest week on record.
How much water can Agate Reservoir and Dam hold?
Agate Reservoir and Dam has a total capacity of 6 hm³.
Where is Agate Reservoir and Dam reservoir located?
Agate Reservoir and Dam is located in Oregon, United States, within the Oregon basin (coordinates 42.415°N, 122.772°W).
What is Agate Reservoir and Dam used for?
Agate Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.