Dams in New Castle County, Delaware
24Total Dams
15High Hazard
0Significant
Dam Safety in New Castle County, Delaware
New Castle County has 24 dams tracked in the National Inventory of Dams. Of these, 15 are classified as high hazard — meaning failure would probably cause loss of human life.
The average dam in New Castle County is 88 years old. The most common purpose is recreation. The tallest dam is Edgar M. Hoopes Dam at 127 ft.
Explore more: Oldest dams in Delaware · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Edgar M. Hoopes Dam | High | Satisfactory | 127 | Water Supply | 1932 |
| Newark Reservoir Dam | High | Fair | 70 | Water Supply | 2005 |
| Carousel Pond Dam | High | Satisfactory | 36 | Recreation | |
| New Castle County Water Farm Wastewater Lagoon | High | Fair | 29 | Other | |
| Rock Manor Golf Course Dam | High | Fair | 24 | Flood Risk Reduction | 2007 |
| Becks Pond Dam | High | Fair | 21 | Fish and Wildlife Pond | |
| City Of Wilmington Sewage Lagoon | High | Fair | 21 | Other | |
| City Of Wilmington Sludge Disposal Area | High | Fair | 20 | Other | |
| Silver Lake Dam - Middletown | High | Fair | 18 | Recreation | 1931 |
| Wiggins Mill Pond Dam | High | Not Rated | 17 | Recreation | 1965 |
| Bellevue Lake Dam | High | Not Rated | 15 | Water Supply | 1933 |
| Sunset Lake Dam | High | Not Rated | 13 | Recreation | 1900 |
| Edgemoor Reservoir Dam | High | Not Rated | 13 | Water Supply | 1908 |
| Town Of Middletown Wastewater Lagoon | High | Fair | 13 | Other | |
| Porter Reservoir Dam | High | Fair | 12 | Water Supply | 1909 |
| Tailings Pond No. 3 Dam Getty Oil | Low | Not Rated | 20 | Other | 1960 |
| Christiana Lake Dam | Low | Not Rated | 17 | Water Supply | 1907 |
| Tailings Pond No. 1 Dam Getty Oil | Low | Not Rated | 15 | Other | 1960 |
| Tailings Pond No. 2 Dam Getty Oil | Low | Not Rated | 15 | Other | 1960 |
| Noxontown Pond Dam | Low | Not Rated | 14 | Recreation | 1966 |
| Canal Farms Dam | Low | Not Rated | 13 | Flood Risk Reduction | 1962 |
| Lums Pond Dam | Low | Not Rated | 10 | Recreation | |
| Brandywine Creek Dam No. 9 | Low | Not Rated | 9 | Recreation | 1800 |
| Shallcross Lake Dam | Low | Not Rated | 8 | Recreation |