Mcginness Lake Dam
Mcginness Lake Dam is an earth dam located in Clinton County, Missouri, built in 1906. It carries a High hazard potential classification.
About Mcginness Lake Dam
The primary purpose of Mcginness Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Logan Mcginness (private). It impounds the Tr To Shoal Creek near Lathrop.
The dam stands 29 feet tall and stretches 1,300 feet across, creates a reservoir covering 49 acres, has a maximum storage capacity of 500 acre-feet, and collects water from a drainage area of 600 square miles. Completed in 1906, the structure is over a century 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 | Clinton |
| Nearest City | Lathrop |
| River/Stream | Tr To Shoal Creek |
| Coordinates | 39.56783, -94.29994 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 1,300 ft |
| Year Completed | 1906 (120 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 327 acre-ft |
| Surface Area | 49 acres |
| Drainage Area | 600 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LOGAN MCGINNESS |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10121 |
| Federal ID | MO10121 |
| More Info | State Dam Safety Program |