Rhode Island health officials warn against contact with Lake Washington in Glocester over toxic algae
State health and environmental officials said water samples from the lake exceeded the advisory threshold for blue-green algae, and they urged people and pets to stay out of the water.
People should avoid all contact with Lake Washington in Glocester because of a harmful blue-green algae bloom, the Rhode Island Department of Health and the Rhode Island Department of Environmental Management said Friday.
Swimming, fishing, boating and kayaking on the lake all pose a high risk to health and should be avoided, the agencies said. Samples collected by DEM and tested at the Health Department's State Health Laboratories exceeded the state's advisory threshold, officials said.
The bloom is caused by cyanobacteria, also known as blue-green algae, which occur naturally in lakes and ponds and can produce toxins harmful to people and animals. Because blooms can move within a body of water, officials urged caution across the entire lake. People should not drink untreated water or eat fish from the lake, and pets should not be allowed to drink or swim in it, the agencies said.
Skin contact can cause rashes, a sore throat and irritated eyes and nose, according to the Health Department. Swallowing the water can cause stomachache, diarrhea, vomiting and nausea, and, less commonly, can affect the liver and nervous system or cause an irregular heartbeat, dizziness or seizures. Young children, pets and people with certain underlying health conditions or weakened immune systems may be at greater risk.
Officials said anyone who touches the water should rinse off with clean water right away, and that people who feel sick afterward should call a health care provider. Pet owners should wash an exposed animal immediately and call a veterinarian if it shows signs of illness within a day.
Affected water may look like green paint, pea soup or green cottage cheese, with scum along the shoreline, officials said. The advisory will stay in effect until further testing shows the bloom has cleared. Suspected blooms can be reported to DEM's Office of Water Resources.
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