Rock Lake
Rock Lake is a gravity dam located in Kenosha County, Wisconsin, built in 1929. It carries a Low hazard potential classification and has a fair condition assessment.
About Rock Lake
The primary purpose of Rock Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Valentine, Linda (private). It impounds the Outlet Of Rock Lake.
The dam stands 8 feet tall and stretches 100 feet across, creates a reservoir covering 44 acres, has a maximum storage capacity of 350 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1929, 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. The most recent inspection on record was 08/15/2019.
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Location
| State | Wisconsin |
| County | Kenosha |
| Nearest City | None |
| River/Stream | Outlet Of Rock Lake |
| Coordinates | 42.50380, -88.12079 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 100 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 350 acre-ft |
| Max Storage | 350 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 15 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Valentine, Linda |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/15/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00268 |
| Federal ID | WI00268 |
| More Info | State Dam Safety Program |