Delaney Complex
Key Takeaway
Delaney Complex is classified as significant hazard in Massachusetts. It was completed in 1967 and is 59 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 73.7% in MA) |
| Dam Length | 2,400 ft |
| Dam Type | Earth |
| Max Storage | 4.0K acre-ft |
| Normal Storage | 425 acre-ft |
| Surface Area | 163 acres |
| Drainage Area | 15 sq mi |
| Year Completed | 1967 (59 years old) |
| NID ID | MA01193 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
DCR - DEPT. OF CONSERVATION & RECREATION
State Government
Nearby Dams
Delaney Complex E Bolton Dam
Worcester, MA
Low Hazard 16 ftAssabet River Dam
Middlesex, MA
Low Hazard 15 ftLake Boon Dam
Middlesex, MA
Significant Hazard 7 ftMain Street Dam
Middlesex, MA
High Hazard 18 ftWashington Street Dam
Middlesex, MA
Significant Hazard 16 ftBare Hill Pond Dam
Worcester, MA
Significant Hazard 9 ftHighland Commons Pond B Dam & Dike
Worcester, MA
Significant Hazard 50 ftFort Meadow Reservoir Dam
Middlesex, MA
High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Delaney Complex?
Delaney Complex is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Delaney Complex?
Delaney Complex is owned by DCR - DEPT. OF CONSERVATION & RECREATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Delaney Complex built?
Delaney Complex was completed in 1967, making it 59 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Delaney Complex?
Delaney Complex serves the following purposes: Flood Risk Reduction, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Delaney Complex?
Delaney Complex has a dam height of 22 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Delaney Complex last inspected?
Delaney Complex was last inspected on March 3, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.