Lake Dealey Dam is an earth dam located in Cooke County, Texas, built in 1949. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 920 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lake Dealey Dam
The primary purpose of Lake Dealey Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Southwestern Diabetic Foundation Inc (private). It impounds the Timber Creek.
The dam stands 18 feet tall and stretches 920 feet across, creates a reservoir covering 25 acres, and has a maximum storage capacity of 400 acre-feet. Completed in 1949, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 12/18/2007. That was over 18 years ago.
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Location
| State | Texas |
| County | Cooke |
| River/Stream | Timber Creek |
| Coordinates | 33.66759, -97.01172 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 920 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 25 acres |
| Max Discharge | 1,858 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Southwestern Diabetic Foundation Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 12/18/2007 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX00543 |
| Federal ID | TX00543 |
| More Info | State Dam Safety Program |