Lower Eau Claire Lake
Lower Eau Claire Lake is a gravity dam located in Douglas County, Wisconsin, built in 1938. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Lower Eau Claire Lake
The primary purpose of Lower 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 Douglas County (local government). It impounds the Eau Claire near Gordon.
The dam stands 12 feet tall and stretches 60 feet across, creates a reservoir covering 802 acres, has a maximum storage capacity of 7,100 acre-feet, and collects water from a drainage area of 109 square miles. Completed in 1938, 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 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 06/16/2020.
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Location
| State | Wisconsin |
| County | Douglas |
| Nearest City | Gordon |
| River/Stream | Eau Claire |
| Coordinates | 46.25877, -91.56957 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 60 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 7,100 acre-ft |
| Max Storage | 7,100 acre-ft |
| Normal Storage | 3,100 acre-ft |
| Surface Area | 802 acres |
| Drainage Area | 109 sq mi |
| Max Discharge | 2,970 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Douglas County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/16/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI01074 |
| Federal ID | WI01074 |
| More Info | State Dam Safety Program |