Delaware Dams
83 dams tracked by the National Inventory of Dams
Total Dams
83
High Hazard
57
68.7%
Poor / Unsatisfactory
4
Average Age
89 yrs
Hazard Classification
High57 (68.7%)
Significant9 (10.8%)
Low17 (20.5%)
Condition Assessment
Satisfactory5 (6.0%)
Fair51 (61.4%)
Poor / Unsatisfactory4 (4.8%)
Not Rated23 (27.7%)
Federal
0
State
51
Local
15
Private
17
Tallest Dams
High Hazard Dams
Poor Condition Dams
All Dams in Delaware
Showing 26–50 of 57
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Como Dam Kent County | 15 | 1938 | High | Fair |
| Ingram Pond Dam Sussex County | 12 | — | High | Fair |
| Horseys Pond Dam Sussex County | 19 | 1956 | High | Fair |
| Hearns Pond Dam Sussex County | 14 | 1912 | High | Satisfactory |
| Haven Lake Dam Kent County | 17 | — | High | Fair |
| Griffith Lake Dam Kent County | 13 | — | High | Poor |
| Garrisons Lake Dam Kent County | 11 | 1964 | High | Fair |
| Fleetwood Pond Dam Sussex County | 11 | 1968 | High | Fair |
| Edgemoor Reservoir Dam New Castle County | 13 | 1908 | High | Not Rated |
| Edgar M. Hoopes Dam New Castle County | 127 | 1932 | High | Satisfactory |
| Duck Creek Pond Dam Kent County | 9 | — | High | Not Rated |
| Derby Pond Dam Kent County | 10 | 1967 | High | Fair |
| Cubbage Pond Dam Sussex County | 11 | 1880 | High | Fair |
| Coursey Pond Dam Kent County | 20 | 1967 | High | Fair |
| Concord Pond Dam Sussex County | 14 | — | High | Fair |
| Clendaniel Pond Dam Sussex County | 10 | 1810 | High | Not Rated |
| City of Wilmington Sludge Disposal Area New Castle County | 20 | — | High | Fair |
| City of Wilmington Sewage Lagoon New Castle County | 21 | — | High | Fair |
| City of Laurel Sewage Lagoon Sussex County | 13 | 1964 | High | Fair |
| City of Laurel Sewage Lagoon Sussex County | 15 | — | High | Fair |
| City of Laurel Sewage Lagoon Sussex County | 13 | 1964 | High | Fair |
| City of Harrington Sewage Lagoon Kent County | 6 | 1971 | High | Fair |
| Chipman Pond Dam Sussex County | 14 | 1915 | High | Fair |
| Cartanza/Ez Farms Dam Kent County | 7 | — | High | Not Rated |
| Carousel Pond Dam New Castle County | 36 | — | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.