Spencer Lake - South Dam is an earth dam located in Medina County, Ohio, built in 1960. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 17 ft17 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Spencer Lake - South Dam
The primary purpose of Spencer Lake - South Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Odnr, Division of Wildlife (state). It impounds the Tributary to East Branch Black River near River Corners.
The dam stands 17 feet tall and stretches 400 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 570 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/14/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Ohio |
| County | Medina |
| Nearest City | River Corners |
| River/Stream | Tributary to East Branch Black River |
| Coordinates | 41.10694, -82.08056 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 400 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 570 acre-ft |
| Max Storage | 570 acre-ft |
| Normal Storage | 157 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 106 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Odnr, Division of Wildlife |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/14/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH02063 |
| Federal ID | OH02063 |
| More Info | State Dam Safety Program |