Alverno
Alverno is an earth dam located in Cheboygan County, Michigan, built in 1902. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Alverno
The primary purpose of Alverno is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Black River.
The dam stands 19 feet tall and stretches 450 feet across, creates a reservoir covering 10,233 acres, has a maximum storage capacity of 105,034 acre-feet, and collects water from a drainage area of 621 square miles. Completed in 1902, the structure is over a century 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 08/15/2018.
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Location
| State | Michigan |
| County | Cheboygan |
| River/Stream | Black River |
| Coordinates | 45.55440, -84.39880 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 450 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 105,034 acre-ft |
| Max Storage | 105,034 acre-ft |
| Normal Storage | 49,496 acre-ft |
| Surface Area | 10,233 acres |
| Drainage Area | 621 sq mi |
| Max Discharge | 4,270 cfs |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/15/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00521 |
| Federal ID | MI00521 |
| More Info | State Dam Safety Program |