Eagle Ranch
Eagle Ranch is an earth dam located in San Luis Obispo County, California, built in 1974. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Eagle Ranch
Eagle Ranch is a dam in San Luis Obispo, California. The dam is owned by Eagle Ranch, Llc (private). It impounds the Hale Creek near Atascadero, Ca.
The dam stands 55 feet tall and stretches 370 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 01/27/2025.
At 55 feet, this dam is taller than 94% of dams nationwide.
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 | San Luis Obispo |
| Nearest City | Atascadero, Ca |
| River/Stream | Hale Creek |
| Coordinates | 35.41340, -120.68010 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Dam Length | 370 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Eagle Ranch, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/27/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01101 |
| Federal ID | CA01101 |
| More Info | State Dam Safety Program |