Lamar Lake Dam
Lamar Lake Dam is an earth dam located in Barton County, Missouri, built in 1955. It carries a High hazard potential classification.
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 City Of Lamar (local government). It impounds the Tr To North Fork Spring River near Lamar.
The dam stands 26 feet tall, creates a reservoir covering 150 acres, has a maximum storage capacity of 2,086 acre-feet, and collects water from a drainage area of 3,100 square miles. Completed in 1955, 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.
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 Missouri 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 | Missouri |
| County | Barton |
| Nearest City | Lamar |
| River/Stream | Tr To North Fork Spring River |
| Coordinates | 37.48000, -94.26167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 2,086 acre-ft |
| Max Storage | 2,086 acre-ft |
| Normal Storage | 1,050 acre-ft |
| Surface Area | 150 acres |
| Drainage Area | 3,100 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | CITY OF LAMAR |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO20002 |
| Federal ID | MO20002 |
| More Info | State Dam Safety Program |