Knoblock Lake Dam
Knoblock Lake Dam is an earth dam located in Oakland County, Michigan, built in 1935. It carries a Low hazard potential classification and has a fair condition assessment.
About Knoblock Lake Dam
The primary purpose of Knoblock Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Knobby Hill Farms Association (private). It impounds the Shiawassee River near Rose Center.
The dam stands 13 feet tall and stretches 390 feet across, creates a reservoir covering 61 acres, has a maximum storage capacity of 430 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1935, 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 07/18/2017.
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Location
| State | Michigan |
| County | Oakland |
| Nearest City | Rose Center |
| River/Stream | Shiawassee River |
| Coordinates | 42.69667, -83.61833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 390 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 430 acre-ft |
| Max Storage | 430 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 93 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Knobby Hill Farms Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/18/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00695 |
| Federal ID | MI00695 |
| More Info | State Dam Safety Program |