Truett
Truett is an earth dam located in Shasta County, California, built in 1958. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Truett
The primary purpose of Truett is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Woodridge Mutual Water And Property Owners Corporation (private). It impounds the Ash Creek near N/a.
The dam stands 31 feet tall and stretches 570 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 219 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1958, 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 07/23/2025.
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 | Ash Creek |
| Coordinates | 40.48750, -121.89800 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 570 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 219 acre-ft |
| Max Storage | 219 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Woodridge Mutual Water and Property Owners Corporation |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/23/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA01028 |
| Federal ID | CA01028 |
| More Info | State Dam Safety Program |