Tapawingo Lake Dam
Tapawingo Lake Dam is an earth dam located in St. Louis County, Missouri. It carries a High hazard potential classification and has a unsatisfactory condition assessment.
About Tapawingo Lake Dam
The primary purpose of Tapawingo Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jsb Tapawingo Golf (private). It impounds the Unnamed Trib near Sunset Hills.
The dam stands 49 feet tall, and creates a reservoir covering 8 acres.
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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. Notably, no emergency action plan is currently on file for this high-hazard dam.
At 49 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 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 | St. Louis |
| Nearest City | Sunset Hills |
| River/Stream | Unnamed Trib |
| Coordinates | 38.53650, -90.42562 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 49 ft |
Storage & Hydraulics
| Surface Area | 8 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | JSB TAPAWINGO GOLF |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO60324 |
| Federal ID | MO60324 |
| More Info | State Dam Safety Program |