Lake Londa Lynn Dam
Lake Londa Lynn Dam is an earth dam located in Polk County, Texas, built in 1966. It carries a High hazard potential classification and has a fair condition assessment.
About Lake Londa Lynn Dam
The primary purpose of Lake Londa Lynn Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Holiday Lake Estate Civic Club Inc (private). It impounds the Sally Creek.
The dam stands 23 feet tall and stretches 900 feet across, creates a reservoir covering 53 acres, has a maximum storage capacity of 905 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1966, the structure is well into its service life at over 50 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 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 09/22/2022.
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 | Polk |
| River/Stream | Sally Creek |
| Coordinates | 30.55947, -94.88206 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 900 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 905 acre-ft |
| Max Storage | 905 acre-ft |
| Normal Storage | 464 acre-ft |
| Surface Area | 53 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 3,034 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | HOLIDAY LAKE ESTATE CIVIC CLUB INC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 09/22/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX00034 |
| Federal ID | TX00034 |
| More Info | State Dam Safety Program |