Friendship
Friendship is a gravity dam located in Adams County, Wisconsin, built in 1928. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Friendship
The primary purpose of Friendship is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Friendship Lake District (local government).
The dam stands 22 feet tall and stretches 400 feet across, creates a reservoir covering 114 acres, has a maximum storage capacity of 1,000 acre-feet, and collects water from a drainage area of 60 square miles. Completed in 1928, the structure is well-established, with more than 75 years of service.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/22/2019.
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Location
| State | Wisconsin |
| County | Adams |
| Nearest City | Friendship |
| Coordinates | 43.97502, -89.81660 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 400 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Normal Storage | 681 acre-ft |
| Surface Area | 114 acres |
| Drainage Area | 60 sq mi |
| Max Discharge | 1,700 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Friendship Lake District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/22/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00061 |
| Federal ID | WI00061 |
| More Info | State Dam Safety Program |