John T Montford Dam
John T Montford Dam is an earth dam located in Garza County, Texas, built in 1994. It carries a High hazard potential classification and has a satisfactory condition assessment.
About John T Montford Dam
The primary purpose of John T Montford Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City Of Lubbock (local government). It impounds the Double Mountain Fork Brazos R.
The dam stands 141 feet tall and stretches 4,150 feet across, creates a reservoir covering 2,884 acres, has a maximum storage capacity of 354,500 acre-feet, and collects water from a drainage area of 394 square miles. Completed in 1994, the structure is 32 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 03/18/2024.
At 141 feet, this dam is taller than 99% 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 | Garza |
| River/Stream | Double Mountain Fork Brazos R |
| Coordinates | 33.06153, -101.04209 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 141 ft |
| Dam Height | 141 ft |
| Dam Length | 4,150 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 354,500 acre-ft |
| Max Storage | 354,500 acre-ft |
| Normal Storage | 115,937 acre-ft |
| Surface Area | 2,884 acres |
| Drainage Area | 394 sq mi |
| Max Discharge | 363,480 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF LUBBOCK |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/18/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX06464 |
| Federal ID | TX06464 |
| More Info | State Dam Safety Program |