Clarks Mill
Clarks Mill is a gravity dam located in Manitowoc County, Wisconsin, built in 1860. It carries a Low hazard potential classification and has a fair condition assessment.
About Clarks Mill
The primary purpose of Clarks Mill is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Cato (local government). It impounds the Manitowoc near Clark Mills.
The dam stands 13 feet tall and stretches 140 feet across, creates a reservoir covering 43 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 411 square miles. Completed in 1860, the structure is one of the older dams in the region, with over a century and a half 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 10/17/2016.
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Location
| State | Wisconsin |
| County | Manitowoc |
| Nearest City | Clark Mills |
| River/Stream | Manitowoc |
| Coordinates | 44.09313, -87.86265 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 140 ft |
| Year Completed | 1860 (166 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 411 sq mi |
| Max Discharge | 2,090 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | TOWN OF CATO |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/17/2016 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00274 |
| Federal ID | WI00274 |
| More Info | State Dam Safety Program |