Mcdill
Mcdill is an earth dam located in Portage County, Wisconsin, built in 1855. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Mcdill
Mcdill is a dam in Portage, Wisconsin. The dam is owned by Mcdill Inland Lake And Rehabilitation District (local government). It impounds the Plover near Whiting.
The dam stands 21 feet tall and stretches 450 feet across, creates a reservoir covering 261 acres, has a maximum storage capacity of 2,160 acre-feet, and collects water from a drainage area of 163 square miles. Completed in 1855, the structure is one of the older dams in the region, with over a century and a half 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 09/26/2019.
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Location
| State | Wisconsin |
| County | Portage |
| Nearest City | Whiting |
| River/Stream | Plover |
| Coordinates | 44.49280, -89.55584 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 450 ft |
| Year Completed | 1855 (171 years old) |
Storage & Hydraulics
| NID Storage | 2,160 acre-ft |
| Max Storage | 2,160 acre-ft |
| Normal Storage | 1,178 acre-ft |
| Surface Area | 261 acres |
| Drainage Area | 163 sq mi |
| Max Discharge | 3,740 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Owner | Mcdill Inland Lake and Rehabilitation District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/26/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00176 |
| Federal ID | WI00176 |
| More Info | State Dam Safety Program |