Amacoy
Amacoy is an earth dam located in Rusk County, Wisconsin, built in 1967. It carries a Low hazard potential classification.
About Amacoy
The primary purpose of Amacoy 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 Town Of Stubbs (local government). It impounds the Tr Chippewa.
The dam stands 20 feet tall and stretches 300 feet across, creates a reservoir covering 278 acres, has a maximum storage capacity of 5,400 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1967, the structure is well into its service life at over 50 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. The most recent inspection on record was 07/23/1986. That was over 39 years ago.
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Location
| State | Wisconsin |
| County | Rusk |
| Nearest City | None |
| River/Stream | Tr Chippewa |
| Coordinates | 45.40757, -91.29909 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 5,400 acre-ft |
| Max Storage | 5,400 acre-ft |
| Normal Storage | 600 acre-ft |
| Surface Area | 278 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 740 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Town Of Stubbs |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/23/1986 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00422 |
| Federal ID | WI00422 |
| More Info | State Dam Safety Program |