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 726–750 of 1,087
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Harmons Lake Dam Greene County | 19 | — | Undetermined | Not Rated |
| Hardy Lake Dam Scott County | 63 | 1970 | High | Satisfactory |
| Hardwood Lake Dam Ripley County | 32 | 1974 | Low | Fair |
| 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 |
| Hants Lake Dam Johnson County | 30 | 1945 | Significant | Satisfactory |
| Hamilton & Ridlen Lake Dam Scott County | 22 | 1952 | Significant | Poor |
| Hamilton Lake-South Dam Steuben County | 21 | 1832 | High | Poor |
| Hamilton Lake-North Dam Steuben County | 16 | 1832 | High | Fair |
| 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 |
| Griggs Lake Dam Vigo County | 22 | 1964 | High | Fair |
| Griffy Reservoir Dam Monroe County | 44 | 1924 | High | Fair |
| Grey Stone Lake Dam "C" West DeKalb County | 16 | 1971 | Low | Poor |
| Greenwood Lake Dam Martin County | 55 | 1937 | High | Fair |
| Green Valley Mine Pond Dam Vigo County | 24 | 1946 | Significant | Poor |
| Green Valley Club Lake Dam Brown County | 28 | 1967 | Low | Fair |
| Greensburg Upland Reservoir Decatur County | 35 | 1990 | High | Fair |
| Greensburg Lake Decatur County | 12 | 1938 | Significant | Not Rated |
| Greensburg City Park Dam Decatur County | 12 | 1936 | Low | Poor |
| Green Lake Dam Brown County | 51 | 1964 | High | Fair |
| Greenfield Mills Dam LaGrange County | 27 | 1835 | Significant | Poor |
| Greene Lake Dam Clark County | 37 | — | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.