New Delhi, July 17 -- Open water swimming at the World Championships is set to start a day late following two delays in Singapore because of "water quality levels exceeding acceptable thresholds."

World Aquatics and locals organizers issued a statement Wednesday saying the women's and men's 10-kilometer events would start in the afternoon.

Organizers said analysis of water quality samples collected late Tuesday met standards for the competition to begin.

The men's 10-kilometer event is set to start as scheduled Wednesday at 1 p.m. local time (0500 GMT). The women's 10-kilometer event, which was to have opened the program Tuesday and then initially rescheduled for Wednesday morning, will follow men's race.

Other open water events are s...