Upper Peoga Lake Dam
Upper Peoga Lake Dam is an earth dam located in Johnson County, Indiana, built in 1946. It carries a High hazard potential classification and has a unsatisfactory condition assessment.
About Upper Peoga Lake Dam
Upper Peoga Lake Dam is a dam in Johnson, Indiana. The dam is owned by Peoga Lakes Association Incorporated (private). It impounds the Unnamed Tributary Mud Creek.
The dam stands 30 feet tall and stretches 400 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 48 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1946, the structure is well-established, with more than 75 years of service.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 04/19/2017. That was 8 years ago, which is on the longer end for a high-hazard structure.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Indiana dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Indiana |
| County | Johnson |
| River/Stream | Unnamed Tributary Mud Creek |
| Coordinates | 39.34463, -86.13623 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 400 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 48 acre-ft |
| Max Storage | 48 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 211 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | PEOGA LAKES ASSOCIATION INCORPORATED |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 04/19/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IN03961 |
| Federal ID | IN03961 |
| More Info | State Dam Safety Program |