Winslow Lake
Winslow Lake is an earth dam located in Oconto County, Wisconsin, built in 1971. It carries a Low hazard potential classification and has a fair condition assessment.
About Winslow Lake
The primary purpose of Winslow Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Winslow Shores Property Owner's Association, Inc. (private). It impounds the First South Branch Oconto.
The dam stands 10 feet tall and stretches 150 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/13/2021.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wisconsin |
| County | Oconto |
| Nearest City | None |
| River/Stream | First South Branch Oconto |
| Coordinates | 45.26695, -88.51469 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 150 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 43 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Winslow Shores Property Owner's Association, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/13/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00455 |
| Federal ID | WI00455 |
| More Info | State Dam Safety Program |