Montezuma Club Island Wwt Lagoon Cell 4
Montezuma Club Island Wwt Lagoon Cell 4 is an earth dam located in Mercer County, Ohio, built in 2012. It carries a Significant hazard potential classification and has a fair condition assessment.
About Montezuma Club Island Wwt Lagoon Cell 4
The primary purpose of Montezuma Club Island Wwt Lagoon Cell 4 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Mercer County (local government). It impounds the Offstream.
The dam stands 17 feet tall and stretches 3,160 feet across, has a maximum storage capacity of 162 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2012, the structure is relatively new.
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. The most recent inspection on record was 12/04/2024.
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Location
| State | Ohio |
| County | Mercer |
| River/Stream | Offstream |
| Coordinates | 40.47917, -84.54833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 3,160 ft |
| Year Completed | 2012 (14 years old) |
Storage & Hydraulics
| NID Storage | 162 acre-ft |
| Max Storage | 162 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Mercer County |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/04/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH03208 |
| Federal ID | OH03208 |
| More Info | State Dam Safety Program |