Naco Lake Dam
Naco Lake Dam is an earth dam located in Jefferson County, Ohio, built in 1958. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Naco Lake Dam
The primary purpose of Naco Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mingo Sportsman Club (private). It impounds the Tributary To Slabcamp Creek near Valley Glenn.
The dam stands 40 feet tall and stretches 517 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 108 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, the structure is well into its service life at over 50 years old.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/13/2024.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Ohio |
| County | Jefferson |
| Nearest City | Valley Glenn |
| River/Stream | Tributary To Slabcamp Creek |
| Coordinates | 40.30861, -80.74194 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 517 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 108 acre-ft |
| Max Storage | 108 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 224 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mingo Sportsman Club |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/13/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00125 |
| Federal ID | OH00125 |
| More Info | State Dam Safety Program |