Dams in St. Joseph County, Michigan
17Total Dams
5High Hazard
3Significant
Dam Safety in St. Joseph County, Michigan
St. Joseph County has 17 dams tracked in the National Inventory of Dams. Of these, 5 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in St. Joseph County is 114 years old. The most common purpose is recreation. The tallest dam is Hartenstene Dam at 30 ft.
Explore more: Oldest dams in Michigan · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Constantine | High | Satisfactory | 30 | Hydroelectric | 1873 |
| Sturgis | High | Poor | 25 | Hydroelectric | 1913 |
| Mottville | High | Fair | 23 | Hydroelectric | 1920 |
| Portage Plant Dam | High | Poor | 19 | Recreation | 1922 |
| Three Rivers | High | Satisfactory | 16 | Hydroelectric | 1917 |
| Lake Templene Dam | Significant | Satisfactory | 18 | Recreation | 1972 |
| Lamberson Dam | Significant | Satisfactory | 16 | Recreation | 1839 |
| Upper Constantine Dam | Significant | Fair | 13 | Recreation | 1903 |
| Hartenstene Dam | Low | Satisfactory | 30 | Recreation | 1912 |
| Centreville Wastewater Treatment Lagoon Dam | Low | Satisfactory | 23 | Other | 2000 |
| Fawn River Power Company Dam | Low | Not Rated | 22 | Recreation | 1830 |
| Fawn River Mill Dam | Low | Not Rated | 14 | Hydroelectric | 1830 |
| Kings Mill Dam | Low | Fair | 14 | Recreation | 1836 |
| Centreville Dam | Low | Fair | 13 | Hydroelectric | 1890 |
| Fish Lake Level Control Structure | Low | Satisfactory | 8 | Recreation | 1995 |
| Sand Lake Level Control Structure | Low | Fair | 7 | Recreation | 1970 |
| Corey Lake Level Overflow Structure | Low | Fair | 6 | Recreation | 1974 |