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PROVIDENCE, R.I. (AP) — The state has lifted the remaining health advisories that were put in place for several bodies of water because of blue-green algae blooms.

The Department of Health and Department of Environmental Management lifted the advisories, which had cautioned people to avoid contact and recreational activities with several ponds.

Those ponds were: Blackamore Pond and Spectacle Pond in Cranston, Almy Pond in Newport and Roger Williams Park Ponds in Providence.

No advisories for blue-green algae remain in effect in Rhode Island.

Heath officials say the algae blooms, also known as cyanobacteria, can produce toxins that are harmful to humans and animals. Seasonal cooling and declining daylight generally cause blue-green algae to subside.

DEM plans to revisit water bodies in early summer, when blooms may occur, and issue new advisories as needed.