Willow Lake Dam is an earth dam located in Medina County, Ohio. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 28 ft28 ft tall and 200 ft long, taller than 62% of U.S. dams with a recorded height. 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 Willow Lake Dam
The primary purpose of Willow Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Willow Lake Park, Inc. (private). It impounds the Tributary to West Branch Rocky River near Abbeyville.
The dam stands 28 feet tall and stretches 200 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 29 acre-feet, and collects water from a drainage area of 0 square miles.
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 11/29/2023.
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Location
| State | Ohio |
| County | Medina |
| Nearest City | Abbeyville |
| River/Stream | Tributary to West Branch Rocky River |
| Coordinates | 41.20833, -81.86444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 200 ft |
Storage & Hydraulics
| NID Storage | 29 acre-ft |
| Max Storage | 29 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 426 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Willow Lake Park, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/29/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH02087 |
| Federal ID | OH02087 |
| More Info | State Dam Safety Program |