The Greenville Dam, also known as the Franklin Street Dam, located in Greenville, Michigan, is a gravity dam built in 1914 on the Flat River.
Wind
Humidity
With a height of 14.1 feet and a length of 275 feet, this dam serves primarily for recreation purposes, providing a surface area of 149 acres and a normal storage capacity of 1500 acre-feet. The dam is under state regulation by the Michigan DEGLE, with state permitting, inspection, and enforcement in place to ensure its safety and compliance with regulatory standards.
This significant dam has a spillway width of 50 feet and a maximum discharge capacity of 4720 cubic feet per second, with a hazard potential rated as significant. Despite its age, the dam's condition assessment in 2014 was deemed satisfactory, and it undergoes inspections every four years to monitor its structural integrity. With a very high risk rating of 1, the Greenville Dam is essential in managing water resources and providing recreational opportunities in the Montcalm County area. Water resource and climate enthusiasts will find this dam a key feature in understanding the local hydrology and environmental dynamics of the region.
Year Completed |
1914 |
Dam Length |
275 |
Dam Height |
14.1 |
River Or Stream |
Flat River |
Primary Dam Type |
Gravity |
Surface Area |
149 |
Hydraulic Height |
14.1 |
Drainage Area |
289 |
Nid Storage |
3000 |
Structural Height |
14.1 |
Hazard Potential |
Significant |
Nid Height |
14 |
Fish Creek Near Crystal
|
14cfs |
Grand River At Ionia
|
584cfs |
Rogue River Near Rockford
|
127cfs |
Little Muskegon River Near Oak Grove
|
177cfs |
Grand River At Grand Rapids
|
1610cfs |
Muskegon River Near Croton
|
1280cfs |