Ehne
Ehne is an earth dam located in Washington County, Wisconsin, built in 1931. It carries a Low hazard potential classification and has a fair condition assessment.
About Ehne
The primary purpose of Ehne is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Collins, Joe (private). It impounds the Trib. To Wallace Creek near Waubeka.
The dam stands 20 feet tall and stretches 150 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1931, the structure is well-established, with more than 75 years 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 07/26/2019.
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Location
| State | Wisconsin |
| County | Washington |
| Nearest City | Waubeka |
| River/Stream | Trib. To Wallace Creek |
| Coordinates | 43.48055, -88.12347 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 150 ft |
| Year Completed | 1931 (95 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 40 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Collins, Joe |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/26/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00089 |
| Federal ID | WI00089 |
| More Info | State Dam Safety Program |