Largest lakes & reservoirs in Washington County, RI by acres
There is no widely-accepted minimum surface area that defines a lake. What LakeLubbers describes as a lake, you might call a pond. Acreage of a lake (or sometimes square kilometers) is most often measured at the top surface area when the lake is at normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America’s Lake Superior is the world’s largest freshwater lake by this measure.The other measure of a lake’s size is the lake’s water volume. By that measure, the world’s largest freshwater lake is Lake Baikal in Siberia.
You can find many of the world’s largest lakes (acres) on LakeLubbers in the comparison table below. Note: For some lakes, "Largest Lakes - Acres" data is unknown or does not apply, so you may see fewer lakes than the total 4 articles we have published for Washington County, RI lakes.
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Below are lakes within USA > US New England Region > Rhode Island > Washington County, RI > Compared by surface area in acres. This list does not represent all lakes in Washington County, RI, only the 4 Washington County, RI lake articles we have published on the LakeLubbers website.
Lake name  |
Surface area in acres |
Lake description |
|---|---|---|
| Ninigret Pond (Rhode Island, US New England Region, USA, Washington County, RI) |
1,539 ac | Also known as Charlestown Pond Ninigret Pond is a coastal lagoon located in the town of Charlestown in Rhode Island’s Washington County. With a surface area of 1,539 acres, Ninigret… |
| Worden Pond, RI (Rhode Island, US New England Region, USA, Washington County, RI) |
1,043 ac | Also known as Worden's Pond Scenic Worden Pond is a natural freshwater lake in Washington County, Rhode Island. At 1,043 acres, it is the largest natural freshwater lake in the s… |
| Beach Pond, CT/RI (Connecticut, Mystic Country Region, CT, Rhode Island, US New England Region, USA, Washington County, RI) |
459 ac | Beach Pond’s 459 acres span the south-central Rhode Island-Connecticut state line near the communities of Exeter and Voluntown — the wooded shoreline… |
| Green Hill Pond (Rhode Island, US New England Region, USA, Washington County, RI) |
390 ac | Green Hill Pond is part of the Salt Ponds Region along Rhode Island’s southern shore. The pond is located between the communities of South Kingstown a… |