Coon Creek 25
Coon Creek 25 is an earth dam located in Monroe County, Wisconsin, built in 1961. It carries a Low hazard potential classification and has a fair condition assessment.
About Coon Creek 25
The primary purpose of Coon Creek 25 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 Monroe County (local government). It impounds the Tr Rulland Coulee Creek.
The dam stands 38 feet tall and stretches 430 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 78 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1961, 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. 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 04/25/2017.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Wisconsin |
| County | Monroe |
| Nearest City | None |
| River/Stream | Tr Rulland Coulee Creek |
| Coordinates | 43.74998, -90.86219 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 430 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 78 acre-ft |
| Max Storage | 78 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 526 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Monroe County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/25/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00370 |
| Federal ID | WI00370 |
| More Info | State Dam Safety Program |