Big Seven Lake Dam
Low HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | Michigan |
| County | Oakland |
| Nearest City | Swartz Creek |
| River/Stream | Tributary to Swartz Creek |
| Coordinates | 42.81951, -83.67960 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 220 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 1,240 acre-ft |
| Max Storage | 1,240 acre-ft |
| Normal Storage | 680 acre-ft |
| Surface Area | 161 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 840 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MDNR Parks & Recreation |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/28/2019 |
| Emergency Action Plan | Not Required |