Lake Wyandotte
Lake Wyandotte is an earth dam located in Butte County, California, built in 1924. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake Wyandotte
Lake Wyandotte is a dam in Butte, California. The dam is owned by South Feather Water And Power Agency (public utility). It impounds the No Honcut Creek near Oroville.
The dam stands 46 feet tall and stretches 900 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 313 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1924, the structure is over a century 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 09/08/2025.
At 46 feet, this dam is taller than 91% 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 | Butte |
| Nearest City | Oroville |
| River/Stream | No Honcut Creek |
| Coordinates | 39.50710, -121.42140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 46 ft |
| Dam Length | 900 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 313 acre-ft |
| Max Storage | 313 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | South Feather Water and Power Agency |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/08/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00267 |
| Federal ID | CA00267 |
| More Info | State Dam Safety Program |