Palmer Bayou Dam
Palmer Bayou Dam is a gravity dam located in Allegan County, Michigan, built in 1952. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Palmer Bayou Dam
Palmer Bayou Dam is a dam in Allegan, Michigan. The dam is owned by Mdnr Wildlife (state). It impounds the Swan Creek near New Richmond.
The dam stands 11 feet tall and stretches 6,900 feet across, creates a reservoir covering 340 acres, has a maximum storage capacity of 2,000 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1952, 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 10/24/2019.
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Location
| State | Michigan |
| County | Allegan |
| Nearest City | New Richmond |
| River/Stream | Swan Creek |
| Coordinates | 42.59330, -85.98720 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 6,900 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Normal Storage | 950 acre-ft |
| Surface Area | 340 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 450 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | MDNR Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/24/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00779 |
| Federal ID | MI00779 |
| More Info | State Dam Safety Program |