• This July 27, 2015 aerial photo shows the Rodrigo de Freitas Lake in Rio de Janeiro, Brazil. An Associated Press analysis of water quality found dangerously high levels of viruses and bacteria from human sewage in Olympic and Paralympic venues. The Rodrigo de Freitas Lake, which was largely cleaned up in recent years, was thought be safe for rowers and canoers. Yet AP tests found its waters to be among the most polluted for Olympic sites. (AP Photo/Leo Correa)

    AP Investigation: Olympic teams to swim, boat in Rio’s filth

    RIO DE JANEIRO (AP) — Athletes in next year’s Summer Olympics here will be swimming and boating in waters so contaminated with human feces that they risk becoming violently ill and unable to compete in the games, an Associated Press investigation has found.

    Updated: 6:25 am

  • In this June 1, 2015 file photo, a discarded sofa litters the shore of Guanabara Bay in Rio de Janeiro, Brazil. As part of its Olympic bid, Brazil promised to build eight treatment facilities to filter out much of the sewage and prevent tons of household trash from flowing into the Guanabara Bay. Only one has been built. Tons of household trash line the coastline and form islands of refuse. (AP Photo/Silvia Izquierdo, File)

    AP Investigation: Dirty Rio water a threat at 2016 Olympics

    RIO DE JANEIRO (AP) — The waters where Olympians will compete in swimming and boating events next summer in South America’s first games are rife with human sewage and present a serious health risk for athletes, as well as for visitors to the iconic beaches of Rio de Janeiro.

    Updated: 12:03 pm