Eureka is a gravity dam located in Winnebago County, Wisconsin, built in 1920. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 8 ft8 ft tall and 209 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Eureka
Eureka is a dam in Winnebago, Wisconsin. The dam is owned by Wisconsin Department of Natural Resources (state). It impounds the Fox R..
The dam stands 8 feet tall and stretches 209 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 1,492 square miles. Completed in 1920, the structure is over a century 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 05/29/2018.
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Location
| State | Wisconsin |
| County | Winnebago |
| Nearest City | None |
| River/Stream | Fox R. |
| Coordinates | 43.99402, -88.87537 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 209 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 1,492 sq mi |
| Max Discharge | 4,560 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Wisconsin Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/29/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI10641 |
| Federal ID | WI10641 |
| More Info | State Dam Safety Program |