Coon Creek is an earth dam located in Eau Claire County, Wisconsin, built in 1964. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 28 ft28 ft tall and 700 ft long, taller than 62% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Coon Creek
The primary purpose of Coon Creek is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Eau Claire County (local government). It impounds the Black Creek.
The dam stands 28 feet tall and stretches 700 feet across, creates a reservoir covering 75 acres, has a maximum storage capacity of 1,200 acre-feet, and collects water from a drainage area of 45 square miles. Completed in 1964, 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 09/11/2017.
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Location
| State | Wisconsin |
| County | Eau Claire |
| Nearest City | None |
| River/Stream | Black Creek |
| Coordinates | 44.70000, -91.01803 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 700 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 1,200 acre-ft |
| Max Storage | 1,200 acre-ft |
| Normal Storage | 563 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 45 sq mi |
| Max Discharge | 6,470 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Eau Claire County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/11/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00039 |
| Federal ID | WI00039 |
| More Info | State Dam Safety Program |