Lamar Lake Dam is an earth dam located in Lamar County, Texas, built in 1941. It carries a High hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 910 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 Lamar Lake Dam
The primary purpose of Lamar Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Texas Military Department (state). It impounds the Tr-hicks Creek.
The dam stands 20 feet tall and stretches 910 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 564 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1941, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/19/2024.
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 | Lamar |
| River/Stream | Tr-hicks Creek |
| Coordinates | 33.77458, -95.54756 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 910 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 564 acre-ft |
| Max Storage | 564 acre-ft |
| Normal Storage | 214 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Texas Military Department |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Not assessed |
| Last Inspection | 06/19/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX01848 |
| Federal ID | TX01848 |
| More Info | State Dam Safety Program |