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 651–675 of 1,087
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Monon Reservoir Dam Greene County | 20 | 1915 | Low | Poor |
| Monroe Dam Monroe County | 93 | 1965 | High | Not Available |
| Morgan Lake Dam Vanderburgh County | 23 | 1946 | Low | Not Rated |
| Moriarity Lake Dam Grant County | 25 | 2000 | High | Not Rated |
| Morin Lake Dam Washington County | 20 | — | High | Not Rated |
| Morrison Pond Dam Decatur County | 21 | 1942 | Low | Poor |
| Morse Reservoir Dam Hamilton County | 70 | 1955 | High | Satisfactory |
| Moser Lake Dam Wells County | 22 | 1960 | Low | Unsatisfactory |
| Moses Lake Dam Greene County | 32 | 1958 | Low | Fair |
| Moss Dam Jackson County | 19 | 1980 | Low | Fair |
| Mount Saint Francis Floyd County | 40 | 1949 | Low | Poor |
| Mount Zion Millpond Dam Fulton County | 11 | 1932 | Significant | Fair |
| Move Over Lake Dam Vigo County | 20 | 1951 | Significant | Poor |
| Muddy Fork Structure No. 2 Clark County | 52 | 1971 | High | Fair |
| Muddy Fork Structure No. 3 Clark County | 72 | 1973 | High | Fair |
| Muddy Fork Structure No. 5 Clark County | 53 | 1970 | High | Fair |
| Muddy Fork Structure No. 6 Clark County | 52 | 2004 | High | Fair |
| Munk Lake Dam Clark County | 54 | 1970 | Low | Poor |
| Murray Lake Dam Johnson County | 29 | 1974 | Low | Fair |
| Myers Lake Control Structure Marshall County | 15 | — | Low | Not Rated |
| Nasby Lake Dam LaGrange County | 17 | 1925 | Low | Poor |
| Nebo Lake Dam Morgan County | 60 | 1954 | High | Fair |
| Neil Lake Dam Ripley County | 16 | — | Low | Not Rated |
| New Harmony Mine Pond Sullivan County | 15 | — | Low | Not Rated |
| New Holland Lake Dam Dubois County | 33 | 1957 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.