Arbuckle Reservoir Dam
Arbuckle Reservoir Dam is a dam located in Wharton County, Texas, built in 2018. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Arbuckle Reservoir Dam
Arbuckle Reservoir Dam is a dam in Wharton, Texas. The dam is owned by Lower Colorado River Authority (local government). It impounds the Off-channel near Magnet.
The dam stands 129 feet tall and stretches 27,559 feet across, creates a reservoir covering 1,097 acres, has a maximum storage capacity of 43,690 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2018, the structure is relatively new.
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 04/26/2022.
At 129 feet, this dam is taller than 98% 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 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 | Wharton |
| Nearest City | Magnet |
| River/Stream | Off-channel |
| Coordinates | 29.20339, -96.04891 |
Physical Characteristics
| NID Height | 129 ft |
| Dam Height | 41 ft |
| Dam Length | 27,559 ft |
| Year Completed | 2018 (8 years old) |
Storage & Hydraulics
| NID Storage | 43,690 acre-ft |
| Max Storage | 43,690 acre-ft |
| Normal Storage | 40,940 acre-ft |
| Surface Area | 1,097 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | LOWER COLORADO RIVER AUTHORITY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/26/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX07463 |
| Federal ID | TX07463 |
| More Info | State Dam Safety Program |