Michigan Dams
1,020 dams tracked by the National Inventory of Dams
Total Dams
1,020
High Hazard
146
14.3%
Poor / Unsatisfactory
94
Average Age
82 yrs
Hazard Classification
High146 (14.3%)
Significant149 (14.6%)
Low716 (70.2%)
Condition Assessment
Satisfactory510 (50.0%)
Fair157 (15.4%)
Poor / Unsatisfactory94 (9.2%)
Not Rated259 (25.4%)
Federal
61
State
162
Local
179
Private
564
Tallest Dams
- Victoria 210 ft
- Empire Mine Tailings Basin Dam163 ft
- Forestville ( Dam 2 ) 130 ft
- Gribben Tailings Basin Dam115 ft
- Ludington 110 ft
High Hazard Dams
- Victoria High
- Forestville ( Dam 2 ) High
- Ludington High
- Hardy High
- Tilden Recirculation BasinHigh
Poor Condition Dams
- Edenville DamUnsatisfactory
- Secord DamUnsatisfactory
- Au TrainPoor
- Sanford Dam Unsatisfactory
- Smallwood DamUnsatisfactory
All Dams in Michigan
Showing 176–200 of 1,020
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Spring Lake Dam Oakland County | 8 | 1938 | Low | Not Rated |
| Spring Creek Trout Pond Dam Luce County | 16 | 1965 | Low | Poor |
| Spencer Dam Lenawee County | 20 | 1975 | Low | Not Rated |
| Sparrow Dam Lenawee County | 15 | 1960 | Low | Not Rated |
| Spain-Lindsey Dam Lapeer County | 12 | 1915 | Low | Not Rated |
| South Show Pool Dam Schoolcraft County | 9 | — | Low | Unsatisfactory |
| South Gaede Marsh Dam Tuscola County | 7 | — | Low | Fair |
| Soo Locks Chippewa County | 17 | 1921 | Significant | Not Available |
| Snoblen Dam Lapeer County | 13 | 1950 | Low | Fair |
| Snaky Run Flooding Dam Montcalm County | 8 | 1966 | Low | Fair |
| Smyrna Milling Company Dam Ionia County | 24 | 1908 | Low | Not Rated |
| Smithville Eaton County | 17 | 1913 | Low | Satisfactory |
| Smallwood Dam Gladwin County | 36 | 1925 | High | Unsatisfactory |
| Sleepy Hollow Dam Clinton County | 30 | 1974 | Significant | Satisfactory |
| Sleepy Dam Houghton County | 30 | — | Low | Not Rated |
| Sixmile Creek Pond Dam Baraga County | 24 | 1965 | Low | Not Rated |
| Simpson Dam Iosco County | 12 | 1930 | Low | Satisfactory |
| Silver Valley Ponds Dam Allegan County | 27 | 1963 | Low | Fair |
| Silver Spring Lake Dam Wayne County | 16 | 1978 | Low | Not Rated |
| Silver Lake Southwest Dike Marquette County | 8 | 1912 | Low | Satisfactory |
| Silver Lake Level Control Structure Oceana County | 9 | 1995 | Low | Not Rated |
| Silver Creek Trout Pond Dam Luce County | 14 | 1962 | Low | Satisfactory |
| Silver Creek Pond Dam Muskegon County | 10 | 1950 | Low | Poor |
| Siebecker Dam Mecosta County | 21 | 1978 | Low | Fair |
| Shiawassee Town Dam Shiawassee County | 19 | 1904 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.