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 326–350 of 498
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hartman Lake Dam Vigo County | 28 | 1938 | Low | Poor |
| Harry Hughes Lake Dam Clark County | 44 | 1979 | Low | Poor |
| Harrison West Lake Dam (South) Bartholomew County | 27 | 1949 | Significant | Poor |
| Harrison West Lake Dam (North) Bartholomew County | 27 | 1947 | Significant | Poor |
| Harrison Lake Dam Fountain County | 21 | 1945 | Low | Poor |
| Harold Mann Lake Dam Posey County | 30 | 1963 | Low | Poor |
| Hardwood Lake Dam Martin County | 22 | — | Low | Poor |
| Harding St. Power Plant Dam (In-Channel) Marion County | 10 | — | Low | Poor |
| Happy Hollow Lake Dam Brown County | 38 | 1952 | Low | Poor |
| Hamilton & Ridlen Lake Dam Scott County | 22 | 1952 | Significant | Poor |
| Hamilton Lake-South Dam Steuben County | 21 | 1832 | High | Poor |
| Hahn Reservoir Dam Ripley County | 23 | 1955 | Significant | Poor |
| Habig Lake Dam Dubois County | 22 | 1975 | Significant | Poor |
| Grouse Ridge Lake Dam Bartholomew County | 42 | 1964 | High | Poor |
| Grey Stone Lake Dam "C" West DeKalb County | 16 | 1971 | Low | Poor |
| Green Valley Mine Pond Dam Vigo County | 24 | 1946 | Significant | Poor |
| Greensburg City Park Dam Decatur County | 12 | 1936 | Low | Poor |
| Greenfield Mills Dam LaGrange County | 27 | 1835 | Significant | Poor |
| Greencastle Jaycee Park Lake Dam Putnam County | 30 | 1967 | Significant | Poor |
| Greenbriar Lake Estates Dam Brown County | 21 | 1950 | Low | Poor |
| Goodwin Lake Dam Brown County | 25 | 1969 | Low | Poor |
| Gnaw Bone Camp Lake Dam Brown County | 29 | — | Significant | Poor |
| Glendale Lake Dam Grant County | 14 | 1945 | Significant | Poor |
| Giboney Lake Dam Henry County | 32 | 1965 | High | Poor |
| George Wilson Lake Dam Miami County | 20 | 1986 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.