Indiana Dams
1,087 dams tracked by the National Inventory of Dams
Total Dams
1,087
High Hazard
279
25.7%
Poor / Unsatisfactory
517
Average Age
66 yrs
Hazard Classification
High279 (25.7%)
Significant320 (29.4%)
Low451 (41.5%)
Condition Assessment
Satisfactory58 (5.3%)
Fair321 (29.5%)
Poor / Unsatisfactory517 (47.6%)
Not Rated191 (17.6%)
Federal
25
State
81
Local
177
Private
750
Tallest Dams
- Brookville Dam181 ft
- Cagles Mill Dam150 ft
- Patoka Lake Dam145 ft
- Sweetwater Lake Dam140 ft
- Mississinewa Dam140 ft
High Hazard Dams
- Brookville DamHigh
- Cagles Mill DamHigh
- Patoka Lake DamHigh
- Sweetwater Lake DamHigh
- Mississinewa DamHigh
Poor Condition Dams
All Dams in Indiana
Showing 451–475 of 1,087
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Millark Millpond Dam Fulton County | 12 | 1940 | Significant | Poor |
| Milan Lake Dam Ripley County | 25 | 1928 | Significant | Fair |
| Middle Fork Reservoir Dam Wayne County | 74 | 1963 | High | Fair |
| Middle Fork of Anderson River - No. 7 Perry County | 44 | 1970 | High | Poor |
| Middle Fork of Anderson River - No. 23 Perry County | 37 | 1992 | Significant | Fair |
| Middle Fork of Anderson River - No. 2 Perry County | 28 | 1969 | Low | Poor |
| Middle Fork of Anderson River - No. 11 Perry County | 32 | 1992 | Low | Fair |
| Middle Fork Lake Dam Decatur County | 23 | 1943 | Low | Poor |
| Meyer Lake Dam Adams County | 16 | 1945 | Low | Not Rated |
| Merriman Lake Dam Brown County | 20 | 1965 | High | Not Rated |
| Mercer Lake Dam Greene County | 20 | 1970 | Low | Not Rated |
| Meadow Spring Lake Dam Henry County | 19 | — | Low | Poor |
| Mcnamara Corporation Lake DeKalb County | 14 | 1973 | Low | Not Rated |
| Mcdonald Marsh Dam Jackson County | 8 | — | Low | Fair |
| Mcclure Lake Morgan County | 14 | 1977 | Significant | Not Rated |
| Maxine Lake Dam Morgan County | 18 | 1935 | Low | Not Rated |
| Maurice Bryant Lake Dam Hendricks County | 18 | 1945 | Significant | Not Rated |
| Mater Dei Provincialate Dam Vanderburgh County | 33 | 1944 | High | Fair |
| Mason Foertsch Dam Spencer County | 32 | 1993 | Significant | Fair |
| Mason Dam No. 2 (North) Switzerland County | 35 | 1975 | Low | Poor |
| Mason Dam No. 1 (South) Switzerland County | 29 | 1975 | Low | Fair |
| Maschmeyer Lake Dam Brown County | 27 | — | Significant | Poor |
| Marysville Lake Dam Scott County | 42 | 1956 | Significant | Poor |
| Marvin Morgan Dam Noble County | 18 | 1973 | High | Not Rated |
| Marsh Lake Tippecanoe Co. Highway Dam Tippecanoe County | 25 | — | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.