Weidman Mill Pond Dam
Weidman Mill Pond Dam is an earth dam located in Isabella County, Michigan, built in 1900. It carries a Significant hazard potential classification and has a fair condition assessment.
About Weidman Mill Pond Dam
The primary purpose of Weidman Mill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Rob Morse (private). It impounds the Coldwater River near Weidman.
The dam stands 12 feet tall, creates a reservoir covering 65 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 47 square miles. Completed in 1900, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/18/2019.
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Location
| State | Michigan |
| County | Isabella |
| Nearest City | Weidman |
| River/Stream | Coldwater River |
| Coordinates | 43.68867, -84.96392 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 47 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Rob Morse |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/18/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MI00820 |
| Federal ID | MI00820 |
| More Info | State Dam Safety Program |