Haynes Reservoir
Haynes Reservoir is an earth dam located in Shasta County, California, built in 1965. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Haynes Reservoir
Haynes Reservoir is a dam in Shasta, California. The dam is owned by Denny Land And Cattle Company, Llc (private). It impounds the Goose Creek near N/a.
The dam stands 67 feet tall and stretches 875 feet across, creates a reservoir covering 241 acres, has a maximum storage capacity of 5,870 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1965, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/19/2025.
At 67 feet, this dam is taller than 96% 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 | Shasta |
| Nearest City | N/a |
| River/Stream | Goose Creek |
| Coordinates | 40.90520, -121.76290 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 67 ft |
| Dam Height | 67 ft |
| Dam Length | 875 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 5,870 acre-ft |
| Max Storage | 5,870 acre-ft |
| Surface Area | 241 acres |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Denny Land and Cattle Company, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/19/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA01030 |
| Federal ID | CA01030 |
| More Info | State Dam Safety Program |