Cetesb investigates foam on a stream that flows into a tributary of the Piracicaba River A layer of foam covered the waters of the Água Branca Stream, in Piracicaba (SP), this Thursday morning (16). According to the Environmental Company of the State of São Paulo (Cetesb), the scenario may have been caused by the dumping of cleaning products or domestic sewage. Foam in Córrego Água Branca, in Piracicaba (SP) Edijan Del Santo/EPTV In the images recorded by EPTV, a Rede Globo affiliate in the region, it is possible to see the foam that accumulates in the course of the stream, which flows into Ribeirão Piracicamirim, a tributary of the Piracicaba River. ? Click here to follow the g1 Piracicaba channel on WhatsApp Foam in Córrego Água Branca, in Piracicaba (SP) Edijan Del Santo/EPTV What caused the foam to form? The Environmental Company of the State of São Paulo (Cetesb) reported that it is monitoring the situation and, so far, there is no evidence of irregular release of chemical substances. Still according to the environmental agency, the strong agitation of the water favored the formation of foam, but this same condition should help in its dissipation along the stream. Foam in Córrego Água Branca, in Piracicaba (SP) Reproduction/EPTV VIDEOS: Everything about Piracicaba and the region See more news about the region on g1 Piracicaba