Great Swamp Goose Marsh

PAWCATUCK RIVER· Washington, Rhode Island· Built 1960· Rockfill· 8 ft tall
Low Hazard Fish And Wildlife Pond Recreation State Government

Key Takeaway

Great Swamp Goose Marsh is classified as low hazard in Rhode Island. It was completed in 1960 and is 66 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 8 ft (taller than 13.5% in RI)
Dam Length7,200 ft
Dam TypeRockfill
Max Storage770 acre-ft
Normal Storage570 acre-ft
Surface Area190 acres
Max Discharge298 cfs
Year Completed1960 (66 years old)
NID IDRI03202

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

RI DEM FISH & WILDLIFE

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Great Swamp Goose Marsh?

Great Swamp Goose Marsh 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 Great Swamp Goose Marsh?

Great Swamp Goose Marsh is owned by RI DEM FISH & WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Great Swamp Goose Marsh built?

Great Swamp Goose Marsh 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 Great Swamp Goose Marsh?

Great Swamp Goose Marsh serves the following purposes: 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 Great Swamp Goose Marsh?

Great Swamp Goose Marsh has a dam height of 8 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.