Stay Out Of Slack Reservoir, Rhode Island Agencies Again Caution

Slack Reservoir in Smithfield and Johnston is contaminated with harmful algae blooms, two Rhode Island agencies warned.

The Rhode Island Department of Health and Rhode Island Department of Environmental Management both advised avoiding contact with the reservoir.

It was the second time this year the departments issued such a warning, having previously done so in May. The earlier advisory was lifted Wednesday.

"All recreation, including swimming, fishing, boating and kayaking, is high risk to health and recommended to be avoided at this location," the departments said in Monday's advisory.

The blooms are caused by blue-green algae, also known as cyanobacteria, which are naturally present in bodies of water, according to a media release release, and "can produce toxins which can be harmful to humans and animals."

"People should not drink untreated water or eat fish from affected waterbodies," the release said, noting pet owners should keep their animals away from the water as well.

"Skin contact with water containing blue-green algae can cause irritation of the skin, nose, eyes, and throat," the release said.

Symptoms from ingestion of water can include stomachache, diarrhea, vomiting and nausea, according to the release.

"Less common symptoms can include dizziness, headache, fever, liver damage, and nervous system damage," the release said. "Young children and pets are at higher risk for health effects associated with HABs because they are more likely to swallow water when they are in or around bodies of water."

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