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Rhode Island

Rhode Island lifts algae advisory for Johnson's Pond in Coventry and Lake Washington in Glocester

State health and environmental officials said a toxic blue-green algae bloom has cleared from the two bodies of water, and people may again swim, boat and fish there.

Rhode Island health and environmental officials on Wednesday lifted their warning against swimming, boating and other recreation at Johnson's Pond in Coventry and Lake Washington in Glocester, saying a harmful blue-green algae bloom had cleared.

The state Department of Health and the Department of Environmental Management said laboratory results from water testing showed algae levels were low and no toxins were found, meeting state safety guidelines. Johnson's Pond is also known as the Flat River Reservoir.

The blooms are caused by cyanobacteria, commonly called blue-green algae, which can produce toxins harmful to people and animals.

The agencies cautioned that conditions can change quickly. Water affected by a bloom may have bright to dark green scum along the shoreline and thick mats of algae floating on the surface, and can look like green paint, pea soup or green cottage cheese. Officials said people and pets should stay away from water that looks like that, and noted that toxins can remain in the water after a bloom is no longer visible.

Suspected blooms can be reported to the Department of Environmental Management's Office of Water Resources at [email protected] or 401-222-4700, preferably with a photograph. The department keeps a list of current advisories and testing data on its website.

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Rhode Island