Eagle Rock
Eagle Rock is an earth dam located in Los Angeles County, California, built in 1953. It carries a High hazard potential classification and has a fair condition assessment.
About Eagle Rock
Eagle Rock is a dam in Los Angeles, California. The dam is owned by City Of Los Angeles Department Of Water And Power (local government). It impounds the Offstream near Los Angeles.
The dam stands 113 feet tall and stretches 495 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 254 acre-feet. Completed in 1953, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/14/2025.
At 113 feet, this dam is taller than 98% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The California dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | California |
| County | Los Angeles |
| Nearest City | Los Angeles |
| River/Stream | Offstream |
| Coordinates | 34.14630, -118.19110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 113 ft |
| Dam Height | 113 ft |
| Dam Length | 495 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 254 acre-ft |
| Max Storage | 254 acre-ft |
| Surface Area | 7 acres |
Ownership & Safety
| Purpose | Other |
| Owner | City of Los Angeles Department of Water and Power |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/14/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00094 |
| Federal ID | CA00094 |
| More Info | State Dam Safety Program |