Harris Dam
Harris Dam is an earth dam located in Isabella County, Michigan, built in 1870. It carries a Low hazard potential classification.
About Harris Dam
The primary purpose of Harris Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Richard Wood (private). It impounds the Chippewa River near Mount Pleasant.
The dam stands 16 feet tall and stretches 490 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 391 square miles. Completed in 1870, the structure is one of the older dams in the region, with over a century and a half 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. The most recent inspection on record was 01/01/1901. That was over 125 years ago.
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Location
| State | Michigan |
| County | Isabella |
| Nearest City | Mount Pleasant |
| River/Stream | Chippewa River |
| Coordinates | 43.60000, -84.78333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 490 ft |
| Year Completed | 1870 (156 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 391 sq mi |
| Max Discharge | 13,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Richard Wood |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 01/01/1901 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00119 |
| Federal ID | MI00119 |
| More Info | State Dam Safety Program |