Newport Lake Dam
Newport Lake Dam is a masonry dam located in Mahoning County, Ohio, built in 1928. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Newport Lake Dam
The primary purpose of Newport Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mill Creek Metropolitan Park Dist. (local government). It impounds the Mill Creek near Youngstown.
The dam stands 28 feet tall and stretches 200 feet across, creates a reservoir covering 76 acres, has a maximum storage capacity of 1,543 acre-feet, and collects water from a drainage area of 67 square miles. Completed in 1928, the structure is well-established, with more than 75 years of service.
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 10/13/2021.
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Location
| State | Ohio |
| County | Mahoning |
| Nearest City | Youngstown |
| River/Stream | Mill Creek |
| Coordinates | 41.06444, -80.67833 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 200 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 1,543 acre-ft |
| Max Storage | 1,543 acre-ft |
| Normal Storage | 507 acre-ft |
| Surface Area | 76 acres |
| Drainage Area | 67 sq mi |
| Max Discharge | 9,119 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mill Creek Metropolitan Park Dist. |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/13/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH00415 |
| Federal ID | OH00415 |
| More Info | State Dam Safety Program |