Great Swamp Goose Marsh
Great Swamp Goose Marsh is a rockfill dam located in Washington County, Rhode Island, built in 1960. It carries a Low hazard potential classification and has a poor condition assessment.
About Great Swamp Goose Marsh
The primary purpose of Great Swamp Goose Marsh is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Ri Dem Fish & Wildlife (state). It impounds the Pawcatuck River near South Kingstown.
The dam stands 8 feet tall and stretches 7,200 feet across, creates a reservoir covering 190 acres, and has a maximum storage capacity of 770 acre-feet. Completed in 1960, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks.
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Location
| State | Rhode Island |
| County | Washington |
| Nearest City | South Kingstown |
| River/Stream | Pawcatuck River |
| Coordinates | 41.44850, -71.59536 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 7,200 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 770 acre-ft |
| Max Storage | 770 acre-ft |
| Normal Storage | 570 acre-ft |
| Surface Area | 190 acres |
| Max Discharge | 298 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | RI DEM FISH & WILDLIFE |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI03202 |
| Federal ID | RI03202 |
| More Info | State Dam Safety Program |