Big Island Wetland Dam
Big Island Wetland Dam is an earth dam located in Marion County, Ohio, built in 1995. It carries a Significant hazard potential classification and has a poor condition assessment.
About Big Island Wetland Dam
The primary purpose of Big Island Wetland 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 Of Scioto River near Green Camp.
The dam stands 9 feet tall and stretches 2,600 feet across, creates a reservoir covering 115 acres, has a maximum storage capacity of 616 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1995, the structure is 31 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 11/05/2020.
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Location
| State | Ohio |
| County | Marion |
| Nearest City | Green Camp |
| River/Stream | Tributary Of Scioto River |
| Coordinates | 40.57278, -83.29944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 2,600 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 616 acre-ft |
| Max Storage | 616 acre-ft |
| Normal Storage | 111 acre-ft |
| Surface Area | 115 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 364 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | ODNR, Division of Wildlife |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/05/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH02883 |
| Federal ID | OH02883 |
| More Info | State Dam Safety Program |