Rock Creek Flowage Dam
Rock Creek Flowage Dam is an earth dam located in Clark County, Wisconsin, built in 1969. It carries a Low hazard potential classification and has a fair condition assessment.
About Rock Creek Flowage Dam
The primary purpose of Rock Creek Flowage Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Etta, Leonard (private). It impounds the Rock Creek.
The dam stands 16 feet tall and stretches 860 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 340 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1969, 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. The most recent inspection on record was 09/23/2019.
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Location
| State | Wisconsin |
| County | Clark |
| Nearest City | None |
| River/Stream | Rock Creek |
| Coordinates | 44.45237, -90.46307 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 860 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 340 acre-ft |
| Max Storage | 340 acre-ft |
| Normal Storage | 87 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 350 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Etta, Leonard |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/23/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00494 |
| Federal ID | WI00494 |
| More Info | State Dam Safety Program |