Millston
Millston is an earth dam located in Jackson County, Wisconsin, built in 1873. It carries a Low hazard potential classification and has a fair condition assessment.
About Millston
The primary purpose of Millston is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Millston (local government). It impounds the Wyman Creek.
The dam stands 26 feet tall and stretches 700 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 440 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1873, 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. The most recent inspection on record was 04/25/2017.
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Location
| State | Wisconsin |
| County | Jackson |
| Nearest City | None |
| River/Stream | Wyman Creek |
| Coordinates | 44.18912, -90.65190 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 700 ft |
| Year Completed | 1873 (153 years old) |
Storage & Hydraulics
| NID Storage | 440 acre-ft |
| Max Storage | 440 acre-ft |
| Normal Storage | 250 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 1,126 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Millston |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/25/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00070 |
| Federal ID | WI00070 |
| More Info | State Dam Safety Program |