Sylvester Pond

IRONMINE BROOK· Providence, Rhode Island· Built 1922· Earth· 24 ft tall
Low Hazard Other Local Government

Key Takeaway

Sylvester Pond is classified as low hazard in Rhode Island. It was completed in 1922 and is 104 years old. Its primary use is other.

Physical Details

Dam Height 24 ft (taller than 88.7% in RI)
Dam Length256 ft
Dam TypeEarth
Max Storage81 acre-ft
Normal Storage70 acre-ft
Surface Area7 acres
Drainage Area3 sq mi
Max Discharge113 cfs
Year Completed1922 (104 years old)
NID IDRI04380

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
State Regulated: No

Ownership

WOONSOCKET, CITY OF

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sylvester Pond?

Sylvester Pond 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 Sylvester Pond?

Sylvester Pond is owned by WOONSOCKET, CITY OF (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sylvester Pond built?

Sylvester Pond was completed in 1922, making it 104 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 Sylvester Pond?

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

How tall is Sylvester Pond?

Sylvester Pond has a dam height of 24 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.

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.