The Upper Constantine Dam, located in Constantine, Michigan, was completed in 1903 and serves primarily for recreational purposes.
Wind
Humidity
Situated on the Fawn River, this gravity dam stands at a height of 12.8 feet with a spillway width of 80 feet. The dam has a storage capacity of 1,000 acre-feet and a normal storage level of 404 acre-feet, covering a surface area of 45 acres within a drainage area of 247 square miles.
Despite being privately owned, the Upper Constantine Dam is regulated by the Michigan Department of Environment, Great Lakes, and Energy (DEGLE) and undergoes regular inspections, with the last assessment in November 2018 rating its condition as fair. The dam's hazard potential is considered significant, with a moderate risk assessment. With its historical significance and recreational function, the Upper Constantine Dam is a vital part of the local water resource infrastructure in St. Joseph County, Michigan.
Year Completed |
1903 |
Dam Length |
300 |
Dam Height |
12.8 |
River Or Stream |
Fawn River |
Primary Dam Type |
Gravity |
Surface Area |
45 |
Hydraulic Height |
11.3 |
Drainage Area |
247 |
Nid Storage |
1000 |
Structural Height |
12.8 |
Hazard Potential |
Significant |
Nid Height |
13 |
St. Joseph River At Mottville
|
759cfs |
St. Joseph River At Three Rivers
|
487cfs |
Pigeon River Near Scott
|
132cfs |
Prairie River Near Nottawa
|
44cfs |
St. Joseph River At Elkhart
|
1460cfs |
Elkhart River At Goshen
|
170cfs |
| Location | Reservations | Toilets |
|---|---|---|
Wood Lake Scout Reservation
|
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Elkhart Co. / Middlebury KOA Holiday
|
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Nottawa Park
|