Safe South Korea · Last reviewed: August 28, 2026

Is Tap Water Safe to Drink in Busan?

Q: Is Busan tap water safe to drink?

Yes. Busan Water Authority treats the supply through advanced multi-barrier processes including ozone and activated carbon, testing over 160 parameters.

Q: Where does Busan’s tap water come from?

Primarily from the Nakdong River, South Korea’s longest river, treated at modern plants like the Hwamyeong Water Treatment Centre.

Q: Do locals in Busan drink tap water?

Increasingly yes. The city’s “Busan Water” campaign has raised confidence. Many younger residents drink directly from the tap, though some older residents still prefer filtered or bottled water out of habit.

Yes, tap water in Busan is safe to drink. The Busan Water Authority (K-water partnership) operates modern treatment facilities and the city’s “Busan Water” programme promotes its tap water as a high-quality drinking source.

Hardness

Soft to moderate

Country

South Korea

Rating

Safe

Soft

Moderate

Hard

Very Hard

Water Source

Busan draws its water primarily from the Nakdong River, treated at advanced multi-barrier plants including the Hwamyeong and Myeongni facilities, which use ozone, granular activated carbon, and membrane filtration.

Contaminants & Concerns

No significant health concerns. Occasional algal bloom events on the Nakdong River are handled by the advanced treatment systems. The city monitors over 160 quality parameters.

Tips

•Tap water is safe to drink throughout the city, including from public water fountains at beaches and parks
•Many metro stations and public buildings have free water dispensers serving filtered tap water
•Busan Water has its own quality-demonstration bottled water brand, similar to Seoul’s Arisu

Frequently Asked Questions

Is Busan tap water safe to drink?

Where does Busan’s tap water come from?

Do locals in Busan drink tap water?

Sources & References

The safety rating and guidance on this page draw on the following sources. See our full methodology.

•WHO Guidelines for Drinking-water Quality
•CDC Travelers' Health destination pages
•The municipal water utility's published quality data

Other Cities in South Korea

Seoul

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