Water swirls in opposite directions in the northern and southern hemispheres.

the verdict

REFUTED

the evidence says no

Recorded sources

0 sources for · 2 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

While popular culture often repeats the myth that water drains or flushes in opposite directions depending on the hemisphere due to the Coriolis effect, scientific consensus and empirical evidence confirm this is false for small-scale household basins.

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Evidence against · 2

Wikipedia: Coriolis force

Recorded source metadata

Wikipedia: Coriolis force. Wikipedia. https://en.wikipedia.org/wiki/Coriolis_force

Reference article covering this claim directly

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More against · 1

snopes.com: Does the Coriolis Effect Determine Which Direction Water Goes Down a Drain? | Snopes.com

Recorded source metadata

snopes.com: Does the Coriolis Effect Determine Which Direction Water Goes Down a Drain? | Snopes.com. snopes.com. https://www.snopes.com/fact-check/coriolis-effect/

Fact-checker ruling: reviewed

Source citation format

The paper trail · every fact has a biography

first checked31 Jul 2026

judged → REFUTED · 1031 Jul 2026

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