Seven Lakes Addition Dam
Seven Lakes Addition Dam is an earth dam located in Oakland County, Michigan, built in 1970. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Seven Lakes Addition Dam
The primary purpose of Seven Lakes Addition Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mdnr Parks & Recreation (state). It impounds the Swartz Creek near Flint.
The dam stands 26 feet tall and stretches 500 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 335 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/16/2020.
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Location
| State | Michigan |
| County | Oakland |
| Nearest City | Flint |
| River/Stream | Swartz Creek |
| Coordinates | 42.81673, -83.67007 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 500 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 335 acre-ft |
| Max Storage | 335 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 60 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MDNR Parks & Recreation |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/16/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00448 |
| Federal ID | MI00448 |
| More Info | State Dam Safety Program |