Green Valley Mine Pond Dam
Green Valley Mine Pond Dam is an earth dam located in Vigo County, Indiana, built in 1946. It carries a Significant hazard potential classification and has a poor condition assessment.
About Green Valley Mine Pond Dam
The primary purpose of Green Valley Mine Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Indiana Department Of Natural Resources (state). It impounds the Unnamed Tributary East Little Sugar Creek.
The dam stands 24 feet tall and stretches 600 feet across, creates a reservoir covering 47 acres, has a maximum storage capacity of 410 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1946, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 09/12/2019.
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Location
| State | Indiana |
| County | Vigo |
| River/Stream | Unnamed Tributary East Little Sugar Creek |
| Coordinates | 39.51060, -87.50540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 600 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 410 acre-ft |
| Max Storage | 410 acre-ft |
| Normal Storage | 221 acre-ft |
| Surface Area | 47 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,274 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | INDIANA DEPARTMENT OF NATURAL RESOURCES |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 09/12/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00429 |
| Federal ID | IN00429 |
| More Info | State Dam Safety Program |