If you've noticed your tap water is a bit off, you're not alone.

Sydney Water says weather conditions, particularly "recent high winds" around Warragamba Dam have impacted the smell and taste of supply right across the city.

It could take several weeks to settle down, while water sources that supply the filtration plant continue to blend.

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They organisation have said that they are working closely with Water NSW to resolve the issue as soon as possible.

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Officials have stressed that the water is treated and is still safe to drink.

"Sydney Water advises that the water still meets Australian Drinking Water Guidelines and remains safe to drink," a spokesperson said in a statement.