Wallum Lake

CLEAR RIVER· Providence, Rhode Island· Built 1866· Masonry· 7 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Wallum Lake is classified as significant hazard in Rhode Island. It was completed in 1866 and is 160 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 7 ft (taller than 8.1% in RI)
Dam Length80 ft
Dam TypeMasonry
Max Storage10.0K acre-ft
Normal Storage9.0K acre-ft
Surface Area322 acres
Drainage Area2 sq mi
Max Discharge80 cfs
Year Completed1866 (160 years old)
NID IDRI00301

Safety Information

Significant Hazard

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?

Emergency Action Plan: Yes
Last Inspection: October 30, 2013
State Regulated: Yes
Regulatory Agency: DS

Ownership

RI HILLCROFT, INC.

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wallum Lake?

Wallum Lake 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 Wallum Lake?

Wallum Lake is owned by RI HILLCROFT, INC. (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wallum Lake built?

Wallum Lake was completed in 1866, making it 160 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 Wallum Lake?

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

How tall is Wallum Lake?

Wallum Lake has a dam height of 7 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 Wallum Lake last inspected?

Wallum Lake was last inspected on October 30, 2013. 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.