Upper Eau Claire Lake
Upper Eau Claire Lake is a gravity dam located in Bayfield County, Wisconsin, built in 1950. It carries a Low hazard potential classification and has a fair condition assessment.
About Upper Eau Claire Lake
The primary purpose of Upper Eau Claire Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lundsberg, James (private).
The dam stands 6 feet tall, creates a reservoir covering 1,030 acres, has a maximum storage capacity of 4,000 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1950, 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 06/23/2020.
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Location
| State | Wisconsin |
| County | Bayfield |
| Nearest City | None |
| Coordinates | 46.30436, -91.50036 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 6 ft |
| Dam Height | 6 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 4,000 acre-ft |
| Max Storage | 4,000 acre-ft |
| Normal Storage | 3,000 acre-ft |
| Surface Area | 1,030 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 110 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lundsberg, James |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/23/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI10053 |
| Federal ID | WI10053 |
| More Info | State Dam Safety Program |