Lake Windsor
Lake Windsor is an earth dam located in Dane County, Wisconsin, built in 1969. It carries a Low hazard potential classification and has a fair condition assessment.
About Lake Windsor
The primary purpose of Lake Windsor is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Windsor Protection And Rehabilitation District (local government). It impounds the Tr Yahara near Madison.
The dam stands 18 feet tall and stretches 220 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1969, the structure is well into its service life at over 50 years old.
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 06/12/2018.
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Location
| State | Wisconsin |
| County | Dane |
| Nearest City | Madison |
| River/Stream | Tr Yahara |
| Coordinates | 43.20502, -89.34770 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 220 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 40 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Windsor Protection and Rehabilitation District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/12/2018 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI10128 |
| Federal ID | WI10128 |
| More Info | State Dam Safety Program |