Swan Creek Dam
Swan Creek Dam is an earth dam located in Allegan County, Michigan, built in 1937. It carries a Low hazard potential classification and has a fair condition assessment.
About Swan Creek Dam
The primary purpose of Swan Creek Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mdnr Wildlife (state). It impounds the Swan Creek near Allegan.
The dam stands 22 feet tall and stretches 660 feet across, creates a reservoir covering 140 acres, has a maximum storage capacity of 2,200 acre-feet, and collects water from a drainage area of 41 square miles. Completed in 1937, 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 10/24/2019.
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Location
| State | Michigan |
| County | Allegan |
| Nearest City | Allegan |
| River/Stream | Swan Creek |
| Coordinates | 42.55167, -85.98000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 660 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 2,200 acre-ft |
| Max Storage | 2,200 acre-ft |
| Normal Storage | 560 acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 41 sq mi |
| Max Discharge | 1,600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MDNR Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/24/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00006 |
| Federal ID | MI00006 |
| More Info | State Dam Safety Program |