Agate Dam
Dam in Jackson County, Oregon · Dry Creek, Antelope Cr.& Other · forms Agate Reservoir
Height
86 ft
26 m (NID height)
Length
3,800 ft
1,158 m
Completed
1965
Agate Reservoir today
1,480.40 ft
7 days ▼ 0.04 ft
Normal storage
4,780 acre-ft
Reservoir level measured Oct 21, 2026, 12:00 AM PDT. Full level page →
Facts
- Purposes
- Irrigation
- Dam type
- Rockfill
- Structural height
- 86 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 5,700 acre-ft
- Surface area
- 216 acres
- Hydraulic height
- 64 ft
- Drainage area
- 15 sq mi
- Spillway
- Uncontrolled
- Army Corps district
- Portland District
- Also known as
- Agate Reservoir
- NID ID
- OR00422
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 22, 2025. Search NID ID OR00422 at nid.sec.usace.army.mil. Project website.