A.b. Brown Power Plant
A.b. Brown Power Plant is an earth dam located in Posey County, Indiana, built in 1975. It carries a High hazard potential classification and has a fair condition assessment.
About A.b. Brown Power Plant
A.b. Brown Power Plant is a dam in Posey, Indiana. The dam is owned by Lansey Holm (public utility). It impounds the Unnamed Tributary Ohio River.
The dam stands 68 feet tall and stretches 1,540 feet across, creates a reservoir covering 112 acres, has a maximum storage capacity of 3,400 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 10/07/2015. That was 10 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.
At 68 feet, this dam is taller than 96% of all dams in the United States.
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 | Posey |
| River/Stream | Unnamed Tributary Ohio River |
| Coordinates | 37.90261, -87.71242 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 68 ft |
| Dam Height | 68 ft |
| Dam Length | 1,540 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 3,400 acre-ft |
| Max Storage | 3,400 acre-ft |
| Normal Storage | 2,550 acre-ft |
| Surface Area | 112 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 161 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Lansey Holm |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/07/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00516 |
| Federal ID | IN00516 |
| More Info | State Dam Safety Program |