Mountain Creek Dam
Mountain Creek Dam is an earth dam located in Dallas County, Texas, built in 1936. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Mountain Creek Dam
Mountain Creek Dam is a dam in Dallas, Texas. The dam is owned by Constellation Texas Power Services Llc (private). It impounds the Mountain Creek near Dallas.
The dam stands 47 feet tall and stretches 8,200 feet across, creates a reservoir covering 2,880 acres, has a maximum storage capacity of 64,372 acre-feet, and collects water from a drainage area of 295 square miles. Completed in 1936, the structure is well-established, with more than 75 years of service.
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 08/25/2023.
At 47 feet, this dam is taller than 92% 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 | Dallas |
| Nearest City | Dallas |
| River/Stream | Mountain Creek |
| Coordinates | 32.73256, -96.94375 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 8,200 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 64,372 acre-ft |
| Max Storage | 64,372 acre-ft |
| Normal Storage | 24,280 acre-ft |
| Surface Area | 2,880 acres |
| Drainage Area | 295 sq mi |
| Max Discharge | 128,502 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | CONSTELLATION TEXAS POWER SERVICES LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/25/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX00827 |
| Federal ID | TX00827 |
| More Info | State Dam Safety Program |