With a height of 40 feet and a structural height of 41.8 feet, this gravity dam serves multiple purposes including hydroelectric power generation and recreation. Managed by the Federal Energy Regulatory Commission, Five Channels boasts a controlled spillway with a width of 72 feet and three Tainter (radial) outlet gates.
The dam's hazard potential is classified as high, with a very high risk assessment rating. Despite its age, the condition assessment of Five Channels is not available, highlighting the need for ongoing monitoring and maintenance. Emergency action plans have been prepared and updated periodically, with the last revision dating back to October 2019. The dam's location within a scenic area in Iosco County adds to its significance as a key water resource and climate feature in the region.
Water resource and climate enthusiasts will find Five Channels to be a captivating example of early 20th-century hydroelectric infrastructure. Its role in providing renewable energy and recreational opportunities along the Au Sable River underscores the importance of balancing human needs with environmental sustainability. As one of Michigan's historic dams, Five Channels serves as a reminder of the interconnected relationship between water resources, climate, and human development.
Wind
Humidity
Year Completed |
1912 |
Dam Length |
800 |
Dam Height |
40 |
River Or Stream |
Au Sable River |
Primary Dam Type |
Gravity |
Hydraulic Height |
36.2 |
Drainage Area |
1613 |
Nid Storage |
3419 |
Structural Height |
41.8 |
Outlet Gates |
Tainter (radial) - 3 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
42 |
Au Sable River Near Curtisville
|
1200cfs |
Au Sable River Near Au Sable
|
1390cfs |
Au Sable River Near Mc Kinley
|
1470cfs |
Au Sable River At Mio
|
935cfs |
Rifle River Near Sterling
|
210cfs |
Au Sable River Near Red Oak
|
839cfs |
| Location | Reservations | Toilets |
|---|---|---|
Au Sable River Camp
|
||
Monument Campground
|
||
070D
|
||
071D
|
||
Rollways Campground and Day Use Area
|
||
South Branch Trail Campground
|