Dams in Lapeer County, Michigan
36Total Dams
1High Hazard
6Significant
Dam Safety in Lapeer County, Michigan
Lapeer County has 36 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 6 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Lapeer County is 69 years old. The most common purpose is recreation. The tallest dam is Minnawanna Dam at 33 ft.
Explore more: Oldest dams in Michigan · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Mill Creek Structure | High | Satisfactory | 28 | Flood Risk Reduction | 1965 |
| Minnawanna Dam | Significant | Satisfactory | 33 | Recreation | 1963 |
| Lake Lapeer Lake Level Control Structure | Significant | Satisfactory | 29 | Recreation | 1969 |
| Beaver Lake Dam | Significant | Satisfactory | 24 | Recreation | 1960 |
| Lake Metamora Dam | Significant | Fair | 21 | Recreation | 1964 |
| Bottom Creek Dam | Significant | Satisfactory | 20 | Recreation | 1972 |
| Merritt Lake Dam | Significant | Fair | 13 | Recreation | 1953 |
| Genesee County Impoundment | Low | Satisfactory | 30 | Water Supply | 2016 |
| Johnson Dam | Low | Not Rated | 28 | Recreation | 1978 |
| Henson Dam | Low | Satisfactory | 27 | Recreation | 1999 |
| Squier Dam | Low | Not Rated | 20 | Recreation | 1840 |
| Lockwood Lake Dam | Low | Satisfactory | 20 | Recreation | 1964 |
| Marciniak Dam #1 | Low | Not Rated | 17 | Recreation | 1950 |
| Hodder Dam | Low | Satisfactory | 16 | Recreation | 1959 |
| Niobe Dam | Low | Not Rated | 15 | Recreation | 1950 |
| Tody Lake Dam | Low | Satisfactory | 15 | Recreation | 1965 |
| Winn Lake Dam | Low | Satisfactory | 14 | Recreation | 1971 |
| Twin Lakes Dam | Low | Fair | 14 | Recreation | 1963 |
| Tau Beta Dam | Low | Satisfactory | 13 | Recreation | 1927 |
| Snoblen Dam | Low | Fair | 13 | Recreation | 1950 |
| Lapeer State Game Area Flooding #27 Dam | Low | Fair | 13 | Recreation | |
| Rivard Dam | Low | Satisfactory | 12 | Recreation | 1955 |
| Spain-lindsey Dam | Low | Not Rated | 12 | Recreation | 1915 |
| Hemingway Lake Dam | Low | Satisfactory | 12 | Recreation | 1912 |
| Thompson Dam | Low | Fair | 12 | Recreation | 1940 |
| Lower Long Lake Dam | Low | Fair | 11 | Recreation | 1965 |
| Upper Reed Lake Dam | Low | Satisfactory | 11 | Recreation | 1950 |
| Misch Lake Dam | Low | Satisfactory | 10 | Recreation | 1950 |
| Lapeer State Game Area Flooding #30 Dam | Low | Fair | 9 | Recreation | 1965 |
| Younglove Dam | Low | Not Rated | 8 | Recreation | 1967 |
| Nepessing Lake Level Control Structure | Low | Poor | 8 | Recreation | 1966 |
| Potters Lake Dam | Low | Satisfactory | 8 | Recreation | 1947 |
| Upper Long Lake Dam | Low | Satisfactory | 7 | Other | 1992 |
| Sawdel Lake Dam | Low | Satisfactory | 7 | Recreation | 1949 |
| Barnes Lake Dam | Low | Not Rated | 7 | Recreation | 1935 |
| Lapeer State Game Area Flooding #13 Dam | Low | Satisfactory | 7 | Recreation | 1987 |