Middle Fork of Anderson River - No. 11 is an earth dam located in Perry County, Indiana, built in 1992. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 500 ft long, taller than 74% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Middle Fork of Anderson River - No. 11
The primary purpose of Middle Fork of Anderson River - No. 11 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Middle Fork of Anderson Conserv. Dist. (local government). It impounds the Unnamed Tributary Anderson River near Troy.
The dam stands 32 feet tall and stretches 500 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 154 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1992, the structure is 34 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 11/18/2015. That was over 10 years ago.
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Location
| State | Indiana |
| County | Perry |
| Nearest City | Troy |
| River/Stream | Unnamed Tributary Anderson River |
| Coordinates | 38.13300, -86.73003 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 500 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 154 acre-ft |
| Max Storage | 154 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 879 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Middle Fork of Anderson Conserv. Dist. |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/18/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN03917 |
| Federal ID | IN03917 |
| More Info | State Dam Safety Program |