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 676–700 of 1,087
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Newmaster Lake Dam Warrick County | 27 | — | Significant | Poor |
| Newport Lake Dam Brown County | 19 | 1972 | High | Not Rated |
| Nicewander Lake Dam Brown County | 27 | 1976 | Significant | Poor |
| Nighthawk Lake Dam Jennings County | 19 | 1976 | Low | Not Rated |
| Norman J. Dobell Lake Dam Dearborn County | 39 | 1971 | Low | Fair |
| Norman Olson Lake Dam Porter County | 20 | 1968 | Significant | Unsatisfactory |
| Northam Lake Dam Brown County | 19 | — | Significant | Not Rated |
| North Lake Conservancy District Dam Johnson County | 42 | 1952 | High | Satisfactory |
| North Lake Estates West Lake Dam Vanderburgh County | 22 | 1950 | High | Fair |
| Norway White County | 40 | 1923 | High | Satisfactory |
| Oakalla Lake Dam Putnam County | 40 | 1964 | Significant | Fair |
| Oakdale Carroll County | 64 | 1925 | High | Fair |
| Oakland City New Lake Dam Gibson County | 26 | 1935 | Low | Poor |
| Oakland City Old Lake Dam Gibson County | 22 | 1930 | Low | Poor |
| Oberlin-Ford Steuben County | 21 | — | Significant | Not Rated |
| Oberlin Lake Dam Steuben County | 15 | 1965 | Significant | Not Rated |
| Ogle Lake Dam Brown County | 48 | 1939 | High | Poor |
| Old Holland Lake Dam Dubois County | 24 | 1942 | Significant | Poor |
| Old Longs Mill Dam Porter County | 20 | 1930 | Significant | Poor |
| Old Mill Dam (In-Channel) Grant County | 10 | 1938 | Low | Poor |
| Old Timbers Lake Ripley County | 53 | 1974 | High | Not Available |
| Olinger Lake Pike County | 43 | 2000 | Low | Fair |
| Olinger Lake Dam Orange County | 37 | 1970 | Low | Poor |
| Ollo Lake Dam Franklin County | 44 | 1994 | High | Poor |
| Ontario Millpond Dam LaGrange County | 16 | 1920 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.