Woonsocket Falls Dam

Blackstone· Providence, Rhode Island· Built 1960· Concrete· 21 ft tall
Low Hazard Flood Risk Reduction Hydroelectric Federal Government

Key Takeaway

Woonsocket Falls Dam is classified as low hazard in Rhode Island. It was completed in 1960 and is 66 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 21 ft (taller than 84.7% in RI)
Dam Length268 ft
Dam TypeConcrete
Max Storage300 acre-ft
Surface Area32 acres
Drainage Area369 sq mi
Max Discharge33,000 cfs
Year Completed1960 (66 years old)
NID IDRI03902

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: September 27, 2022
State Regulated: No

Ownership

USACE - New England District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Woonsocket Falls Dam?

Woonsocket Falls Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Woonsocket Falls Dam?

Woonsocket Falls Dam is owned by USACE - New England District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Woonsocket Falls Dam built?

Woonsocket Falls Dam was completed in 1960, making it 66 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 Woonsocket Falls Dam?

Woonsocket Falls Dam serves the following purposes: Flood Risk Reduction, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Woonsocket Falls Dam?

Woonsocket Falls Dam has a dam height of 21 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 Woonsocket Falls Dam last inspected?

Woonsocket Falls Dam was last inspected on September 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.