Upper Sandusky Reservoir Dam
Upper Sandusky Reservoir Dam is an earth dam located in Wyandot County, Ohio, built in 1957. It carries a Significant hazard potential classification and has a poor condition assessment.
About Upper Sandusky Reservoir Dam
The primary purpose of Upper Sandusky Reservoir 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 Upper Sandusky (local government). It impounds the Tributary To Sandusky River near Monocue.
The dam stands 31 feet tall and stretches 1,600 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 850 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1957, 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 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 05/18/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Ohio |
| County | Wyandot |
| Nearest City | Monocue |
| River/Stream | Tributary To Sandusky River |
| Coordinates | 40.82056, -83.27167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 850 acre-ft |
| Max Storage | 850 acre-ft |
| Normal Storage | 455 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,178 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Upper Sandusky |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 05/18/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00070 |
| Federal ID | OH00070 |
| More Info | State Dam Safety Program |