Sherwood
Sherwood is an earth dam located in Adams County, Wisconsin, built in 1968. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Sherwood
The primary purpose of Sherwood is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Adams County (local government). It impounds the Fourteen Mile Creek near Lake Sherwood Subdiv.
The dam stands 36 feet tall and stretches 920 feet across, creates a reservoir covering 246 acres, has a maximum storage capacity of 13,800 acre-feet, and collects water from a drainage area of 91 square miles. Completed in 1968, 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 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 05/07/2019.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Wisconsin |
| County | Adams |
| Nearest City | Lake Sherwood Subdiv |
| River/Stream | Fourteen Mile Creek |
| Coordinates | 44.20403, -89.80699 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 920 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 13,800 acre-ft |
| Max Storage | 13,800 acre-ft |
| Normal Storage | 2,516 acre-ft |
| Surface Area | 246 acres |
| Drainage Area | 91 sq mi |
| Max Discharge | 3,844 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Adams County |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/07/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00001 |
| Federal ID | WI00001 |
| More Info | State Dam Safety Program |