Twin Oak Dam
Twin Oak Dam is an earth dam located in Robertson County, Texas, built in 1982. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Twin Oak Dam
Twin Oak Dam is a dam in Robertson, Texas. The dam is owned by Luminant Power Company Llc (private). It impounds the Duck Creek.
The dam stands 54 feet tall and stretches 7,360 feet across, creates a reservoir covering 2,330 acres, has a maximum storage capacity of 70,885 acre-feet, and collects water from a drainage area of 45 square miles. Completed in 1982, the structure is 44 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 06/29/2023.
At 54 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 Texas 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 | Texas |
| County | Robertson |
| River/Stream | Duck Creek |
| Coordinates | 31.19530, -96.46522 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 54 ft |
| Dam Height | 54 ft |
| Dam Length | 7,360 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 70,885 acre-ft |
| Max Storage | 70,885 acre-ft |
| Normal Storage | 30,319 acre-ft |
| Surface Area | 2,330 acres |
| Drainage Area | 45 sq mi |
| Max Discharge | 53,800 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | LUMINANT POWER COMPANY LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/29/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04453 |
| Federal ID | TX04453 |
| More Info | State Dam Safety Program |