If there's one thing guaranteed to ruin your day at the beach every single time, it's poo water. Particularlyhuman poo water.

So imagine the disgust felt by beachgoers in Melbourne, Australia, when they were warned (for the second time in just over a month) to avoid all 36 beaches in the Port Phillip bay region Tuesday, due to a post-heavy rainfall influx of human faecal matter. Nice.

A like January's poo beach incident, the latest contamination is a result of a large amount of rain falling Monday, draining all of the city's catchments into the ocean and plunging beachside water quality down to inhospitable levels.

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"It's gastro that we're worried about and infections," EPA group manager Dr Anthony Boxshall told The Agein maybe one of the grossest soundbites you're going to read today. "If someone had an open wound on their hand, you can get pathogens."

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Seriously, Melbourne, this has got to stop. No one like a poo beach.