Valley Falls

Blackstone River· Providence, Rhode Island· Built 1859· Masonry· 31 ft tall
Low Hazard Hydroelectric Private

Key Takeaway

Valley Falls is classified as low hazard in Rhode Island. It was completed in 1859 and is 167 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 31 ft (taller than 94.6% in RI)
Dam Length200 ft
Dam TypeMasonry
Max Storage80 acre-ft
Normal Storage80 acre-ft
Surface Area15 acres
Drainage Area446 sq mi
Max Discharge17,288 cfs
Year Completed1859 (167 years old)
NID IDRI00401

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: No
Last Inspection: July 10, 2018
State Regulated: No

Ownership

Gelardin/Bruner/Cott, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Valley Falls?

Valley Falls 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 Valley Falls?

Valley Falls is owned by Gelardin/Bruner/Cott, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Valley Falls built?

Valley Falls was completed in 1859, making it 167 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 Valley Falls?

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

How tall is Valley Falls?

Valley Falls has a dam height of 31 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 Valley Falls last inspected?

Valley Falls was last inspected on July 10, 2018. 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.