Suukjak Sep
Suukjak Sep is an earth dam located in Monroe County, Wisconsin, built in 1961. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
About Suukjak Sep
The primary purpose of Suukjak Sep is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fort Mccoy (federal). It impounds the Squaw Creek near Fort Mc Coy.
The dam stands 24 feet tall and stretches 400 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 315 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1961, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 07/29/2020.
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Location
| State | Wisconsin |
| County | Monroe |
| Nearest City | Fort Mc Coy |
| River/Stream | Squaw Creek |
| Coordinates | 44.02320, -90.70885 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 400 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 315 acre-ft |
| Max Storage | 315 acre-ft |
| Normal Storage | 134 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 2,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fort Mccoy |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 07/29/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI12774 |
| Federal ID | WI12774 |
| More Info | State Dam Safety Program |