Lake Mahoney Dam
Lake Mahoney Dam is an earth dam located in Putnam County, Missouri, built in 1941. It carries a Low hazard potential classification.
About Lake Mahoney Dam
The primary purpose of Lake Mahoney Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Unionville,mo (local government). It impounds the Tr-blackbird Creek near Unionville.
The dam stands 30 feet tall, creates a reservoir covering 75 acres, has a maximum storage capacity of 1,204 acre-feet, and collects water from a drainage area of 1,900 square miles. Completed in 1941, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Missouri |
| County | Putnam |
| Nearest City | Unionville |
| River/Stream | Tr-blackbird Creek |
| Coordinates | 40.50062, -93.02394 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 1,204 acre-ft |
| Max Storage | 1,204 acre-ft |
| Normal Storage | 450 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 1,900 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | UNIONVILLE,MO |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10382 |
| Federal ID | MO10382 |
| More Info | State Dam Safety Program |