Sheboygan Marsh
Sheboygan Marsh is a gravity dam located in Sheboygan County, Wisconsin, built in 1937. It carries a Low hazard potential classification and has a fair condition assessment.
About Sheboygan Marsh
The primary purpose of Sheboygan Marsh is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Sheboygan County (local government). It impounds the Sheboygan near Kiel.
The dam stands 17 feet tall and stretches 100 feet across, creates a reservoir covering 674 acres, has a maximum storage capacity of 5,000 acre-feet, and collects water from a drainage area of 84 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/03/2021.
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Location
| State | Wisconsin |
| County | Sheboygan |
| Nearest City | Kiel |
| River/Stream | Sheboygan |
| Coordinates | 43.84926, -88.04730 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 100 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 5,000 acre-ft |
| Max Storage | 5,000 acre-ft |
| Normal Storage | 2,000 acre-ft |
| Surface Area | 674 acres |
| Drainage Area | 84 sq mi |
| Max Discharge | 2,800 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Sheboygan County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/03/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00314 |
| Federal ID | WI00314 |
| More Info | State Dam Safety Program |