Amid the murky pool, dubbed "The Swamp" by some competitors, Kassidy Cook of The Woodlands and USA Diving teammate Abby Johnston qualified for the semifinals of the women's 3-meter springboard, which continues Saturday with the medal rounds Sunday.
Friday's competition, the conditions of which recalled passages from the classic Beatles song, took place as scheduled a few hours after the pool was shut down for a morning practice session as Brazilian organizers try to determine why several pools of water at Olympic venues have turned green and how to return their bluish tint.
The kaleidoscopic changes of the water in Rio has become something of a punchline among divers.
Johnson, for example, said diving into the water is no problem.
When the sky is blue and the water is blue, it can get confusing," Cook said.