Roundup Lake Dam
Roundup Lake Dam is an earth dam located in Portage County, Ohio, built in 1949. It carries a Significant hazard potential classification and has a poor condition assessment.
About Roundup Lake Dam
The primary purpose of Roundup Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wood Stone Mantua Llc (private). It impounds the Tributary To Aurora Branch near Silo.
The dam stands 12 feet tall and stretches 860 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 188 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1949, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 06/22/2023.
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Location
| State | Ohio |
| County | Portage |
| Nearest City | Silo |
| River/Stream | Tributary To Aurora Branch |
| Coordinates | 41.30333, -81.26944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 860 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 188 acre-ft |
| Max Storage | 188 acre-ft |
| Normal Storage | 94 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 230 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Wood Stone Mantua LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 06/22/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00674 |
| Federal ID | OH00674 |
| More Info | State Dam Safety Program |