Troy Low Head Dam is a concrete dam located in Miami County, Ohio. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 380 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Troy Low Head Dam
The primary purpose of Troy Low Head 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 Troy (local government). It impounds the Great Miami River near Tipp City.
The dam stands 10 feet tall and stretches 380 feet across, creates a reservoir covering 45 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 926 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/30/2024.
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Location
| State | Ohio |
| County | Miami |
| Nearest City | Tipp City |
| River/Stream | Great Miami River |
| Coordinates | 40.04000, -84.19806 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 380 ft |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 141 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 926 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Troy |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/30/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH00513 |
| Federal ID | OH00513 |
| More Info | State Dam Safety Program |