Delaware Dams

83 dams tracked by the National Inventory of Dams

Total Dams

High Hazard

68.7%

Poor / Unsatisfactory

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

State

Local

Private

Tallest Dams

Edgar M. Hoopes Dam127 ft
Newark Reservoir Dam70 ft
Carousel Pond Dam36 ft
New Castle County Water Farm Wastewater Lagoon29 ft
Records Pond Dam25 ft

High Hazard Dams

Edgar M. Hoopes DamHigh
Newark Reservoir DamHigh
Carousel Pond DamHigh
New Castle County Water Farm Wastewater LagoonHigh
Records Pond DamHigh

Poor Condition Dams

All Dams in Delaware

Showing 1–9 of 9

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
Andrews Lake Dam Kent County	18	—	Significant	Fair
Collins Pond Dam Sussex County	11	1922	Significant	Fair
Davis Pond Dam Sussex County	10	—	Significant	Fair
Goslee Mill Pond Dam Sussex County	10	—	Significant	Not Rated
Marshall Millpond Dam Sussex County	14	—	Significant	Fair
Mccauley Pond Dam Kent County	19	—	Significant	Fair
Moores Lake Dam Kent County	14	1967	Significant	Fair
Morris Millpond Dam Sussex County	10	1929	Significant	Not Rated
Trussams Pond Dam Sussex County	12	—	Significant	Fair

Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.