White Rock Dam
White Rock Dam is an earth dam located in Dallas County, Texas, built in 1911. It carries a High hazard potential classification and has a fair condition assessment.
About White Rock Dam
The primary purpose of White Rock Dam 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 City Of Dallas (local government). It impounds the White Rock Creek near Dallas.
The dam stands 47 feet tall and stretches 2,100 feet across, creates a reservoir covering 1,119 acres, has a maximum storage capacity of 39,400 acre-feet, and collects water from a drainage area of 100 square miles. Completed in 1911, the structure is over a century 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 01/26/2022.
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 | White Rock Creek |
| Coordinates | 32.81523, -96.72505 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 2,100 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 39,400 acre-ft |
| Max Storage | 39,400 acre-ft |
| Normal Storage | 9,004 acre-ft |
| Surface Area | 1,119 acres |
| Drainage Area | 100 sq mi |
| Max Discharge | 114,600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF DALLAS |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 01/26/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX00840 |
| Federal ID | TX00840 |
| More Info | State Dam Safety Program |