Ellis Lake No. 2 Dam is an earth dam located in Wyandot County, Ohio, built in 1955. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 270 ft long, taller than 50% 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 Ellis Lake No. 2 Dam
The primary purpose of Ellis Lake No. 2 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ellis Lake Recreation Club, Inc. (private). It impounds the Tributary to Porcupine Creek near Tiffin.
The dam stands 25 feet tall and stretches 270 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 74 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1955, 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 05/18/2023.
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Location
| State | Ohio |
| County | Wyandot |
| Nearest City | Tiffin |
| River/Stream | Tributary to Porcupine Creek |
| Coordinates | 40.88500, -83.22750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 270 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 260 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ellis Lake Recreation Club, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/18/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH02660 |
| Federal ID | OH02660 |
| More Info | State Dam Safety Program |