RIDOH and DEM Recommend Avoiding Contact with Lake Washington in Glocester
The Rhode Island Department of Health (RIDOH) and the Rhode Island Department of Environmental Management (DEM) are advising people to avoid contact with Lake Washington in Glocester due to blue-green algae (or cyanobacteria) bloom in the lake. Blue-green algae can produce toxins that can harm humans and animals. Toxins and/or high cell counts have been detected by the RIDOH State Health Laboratory from water samples collected by the DEM.
Use caution in all areas of Lake Washington. Cyanobacteria can sink or float to control their location in the water column. Other factors such as, wind, rain and wakes from recreational activities can affect the location of a bloom. All recreation, including swimming, fishing, boating and kayaking, should be avoided. People should not ingest water or eat fish from the ponds. Pets can also be affected by exposure to the algal toxins and thus owners should not allow pets to drink or swim in the water. The advisory will remain in effect until further notice.
Skin contact with water containing blue-green algae commonly causes irritation of the skin, nose, eyes, and/or throat. Common health effects associated with ingesting water containing algal toxins include stomachache, diarrhea, vomiting, and nausea. Rarer health effects include dizziness, headache, fever, liver damage, and nervous system damage. Young children and pets are at a particular risk for health effects associated with algal toxins. People who have had contact with these ponds and experience those symptoms should contact their healthcare provider.
If you come into contact with the water, rinse your skin with clean water as soon as possible and, when you get home, take a shower and wash your clothes. Similarly, if your pet comes into contact with the water, immediately wash your pet with clean water. Do not let the animal lick algae off its fur. Call a veterinarian if your animal shows any symptoms of blue-green algae poisoning, including loss of energy, loss of appetite, vomiting, diarrhea, or any unexplained sickness that occurs within a day or so after being in contact with water. People are cautioned that toxins may persist in the water after the blue-green algae bloom is no longer visible.
It is possible that blue-green algae blooms may be affecting other waterbodies in Rhode Island. People are advised to avoid contact with waterbodies that exhibit bright green coloration in the water or at the water surface and/or dense floating algal mats that form on the water's surface. The water may look like green paint, thick pea soup, or green cottage cheese.
To report suspected blue-green algae blooms, contact DEM's Office of Water Resources at 222-4700 or This email address is being protected from spambots. You need JavaScript enabled to view it. and if possible, send a photograph of the reported algae bloom. For more information and current advisories, consult RIDEM’s website: www.dem.ri.gov/bluegreen
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