The green water in the Barra lagoons is toxic, says Fiocruz; study recommends banning part of the beach | Rio de Janeiro

THE RJ1 showed on Tuesday (20) that the neighborhood lagoon complex was dyed green by microalgae that proliferate in sewage and heat.

The biologist Mario Moscatelli sent a water sample to the Laboratory for the Promotion and Evaluation of Environmental Health of Fiocruz. The report noted that the cyanobacteria that multiplied this week release harmful toxins to bathers.

“What was episodic is becoming systematic. It is essential that people are informed, because it is very serious, “said the biologist.

“This toxin can cause everything from skin problems to gastrointestinal complications in the liver,” Moscatelli said.

At low tide, all this amount of toxins goes to Quebra-Mar and Barra da Tijuca Beach – more on the Pepê section.

The phenomenon is more common in summer, when the heat accelerates the multiplication of cyanobacteria, but this year the greenish water has already appeared in early spring.

THE RJ1 he navigated the canals and found a strong smell of sewage, as well as tires, wood, and furniture floating in the water mirror.

What the authorities say

No body commented on the recommendation to ban Praia da Barra.

A Cedae said it is not responsible for inspecting messy growth or inspecting bodies of water. But that has increased sewage coverage in the west.

THE Line He said he monitors the beaches on the west side twice a week. And that the section of the breakwater is classified as inadequate. The dishes are the responsibility of the City Council.

A town hall said that it prohibits swimming in Praia dos Amores. And that water quality is the responsibility of Inea.

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