Safe Poland · Last reviewed: August 28, 2026

Is Tap Water Safe to Drink in Warsaw?

Q: Is Warsaw tap water safe to drink?

Yes, it is safe and meets EU standards, treated with modern ozonation and activated carbon filtration at MPWiK facilities.

Q: Has Warsaw water quality improved?

Yes, dramatically. Major investment in treatment infrastructure since EU accession has brought Warsaw's tap water to full EU Drinking Water Directive compliance.

Q: Should I run the tap first in Warsaw?

In older buildings with aging internal pipes, running the tap briefly before drinking is a reasonable precaution. The municipal supply itself is clean.

Yes, tap water in Warsaw is safe to drink, supplied by MPWiK Warszawa from the Vistula River with modern multi-stage treatment meeting EU drinking water standards.

Hardness

Moderate

Country

Poland

Rating

Safe

Soft

Moderate

Hard

Very Hard

Water Source

MPWiK Warszawa (Miejskie Przedsiębiorstwo Wodociągów i Kanalizacji) treats Vistula River water at modern treatment plants using ozonation, activated carbon filtration, and UV disinfection.

Contaminants & Concerns

No significant health concerns. The water undergoes advanced multi-stage treatment and meets all EU Drinking Water Directive parameters.

Tips

•Warsaw tap water has improved dramatically in recent decades and is now safe to drink directly
•In older pre-war buildings, run the tap briefly before drinking as a precaution for internal plumbing
•No need to buy bottled water in restaurants — ask for woda z kranu (tap water)

Frequently Asked Questions

Is Warsaw tap water safe to drink?

Has Warsaw water quality improved?

Should I run the tap first in Warsaw?

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 Poland

Krakow

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