Trinity Dam
Dam in Trinity County, California · Trinity River · forms Trinity Lake
Height
538 ft
164 m (NID height)
Length
2,450 ft
747 m
Completed
1962
Trinity Lake today
2,314.95 ft
7 days ▼ 0.76 ft
Normal storage
2,447,650 acre-ft
Reservoir level measured Oct 21, 2026, 1:00 AM PDT. Full level page →
Facts
- Purposes
- Hydroelectric; Irrigation; Recreation
- Dam type
- Earth
- Structural height
- 538 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 2,760,870 acre-ft
- Surface area
- 17,722 acres
- Hydraulic height
- 440 ft
- Drainage area
- 692 sq mi
- Spillway
- Uncontrolled, 53 ft wide
- Army Corps district
- Sacramento District
- Also known as
- Clair Engle Lake;Trinity Lake
- NID ID
- CA10196
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 22, 2025. Search NID ID CA10196 at nid.sec.usace.army.mil. Project website.