A layer of toxic foam has covered the Tiete River in Salto, Sao Paulo, posing a health threat to locals.

Drone footage from July 7 shows the foam covering a large section of the river.

This unpleasant foamy layer primarily consists of untreated detergent waste and chemical residues that have been irresponsibly discharged into the river.

This footage was filmed and produced 7 July 2023.

A drone captured footage of the noxious foam on the Tiete River in the city of Salto, impacting communities in Sao Paulo, 7th of July.

Situated 110 km away from the state capital, Salto endures the consequences of pollution flowing into the city via the river.

This unpleasant foamy layer primarily consists of untreated detergent waste and chemical residues that have been irresponsibly discharged into the river.