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 676–700 of 1,020
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hamilton Dam Genesee County | 22 | 1920 | High | Fair |
| Hall Lake Dam Barry County | 15 | 1964 | Significant | Fair |
| Halfway Lake Dam Luce County | 7 | — | Low | Not Rated |
| H-1 Pool Dam Schoolcraft County | 8 | 1937 | Low | Poor |
| Gunnel Dam Dickinson County | 11 | 1987 | Low | Fair |
| Gull Lake Dam Kalamazoo County | 21 | 1920 | Low | Fair |
| Groveland Dam #8 Dickinson County | 60 | 1977 | Low | Fair |
| Gribben Tailings Basin Dam Marquette County | 115 | 1977 | Significant | Satisfactory |
| Gregory State Game Area Dam #3 Livingston County | 8 | 1965 | Low | Fair |
| Gregory State Game Area #2 Dam Livingston County | 8 | 1965 | Low | Fair |
| Greenwood Reservoir Dam Marquette County | 60 | 1973 | Significant | Satisfactory |
| Greenwood Afterbay Dam Marquette County | 41 | 1973 | Significant | Satisfactory |
| Greenville Dam Montcalm County | 14 | 1914 | Significant | Satisfactory |
| Greens Flooding Dam Montcalm County | 7 | — | Low | Fair |
| Green Oak Lake Dam Washtenaw County | 20 | 1960 | Low | Satisfactory |
| Green Meadow Farms Manure Lagoon Shiawassee County | 11 | 1997 | Low | Not Rated |
| Green Lake Dam Washtenaw County | 9 | 1981 | Low | Satisfactory |
| Gray's Creek Raised Grade Dam Schoolcraft County | 11 | 1978 | Low | Poor |
| Gray's Creek Dam Schoolcraft County | 11 | 1994 | Low | Poor |
| Grayling Dam Crawford County | 9 | 1933 | Undetermined | Not Rated |
| Gratiot-Saginaw Sga Impoundment #1 Dam Gratiot County | 7 | 1963 | Low | Fair |
| Grass Lake Level Control Structure Kent County | 29 | 1973 | Significant | Satisfactory |
| Grass Lake Level Control Structure Montmorency County | 16 | 1937 | Low | Satisfactory |
| Grass Lake Dam Benzie County | 8 | 1951 | Low | Satisfactory |
| Grasshopper Gulch Walleye Pond Dam Delta County | 20 | 1981 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.