Caution Turkey · Last reviewed: August 28, 2026

Is Tap Water Safe to Drink in Istanbul?

Q: Can you drink tap water in Istanbul?

It's not recommended. While municipally treated, heavy chlorination and aging pipes mean bottled water is the standard choice for locals and visitors.

Q: Is it safe to brush teeth with Istanbul tap water?

Using bottled water is a reasonable precaution, especially for sensitive travelers.

Q: Why don't Istanbul residents drink tap water?

Cultural preference plus pipe infrastructure and taste concerns have made bottled water and delivered water-cooler jugs (damacana) the household norm.

Tap water in Istanbul is chemically treated by IİSKİ, the city's water authority, but it's not recommended for drinking due to heavy chlorination and aging pipes — bottled or delivered water is the standard local choice.

Hardness

Moderate to hard

Country

Turkey

Rating

Caution

Soft

Moderate

Hard

Very Hard

Water Source

IİSKİ treats water from a network of reservoirs surrounding the city, applying heavy chlorination to compensate for older distribution infrastructure.

Contaminants & Concerns

Heavy chlorine taste and occasional turbidity are the main complaints rather than acute health risk, though bottled water remains the recommended choice.

Tips

•Bottled water (su) is extremely cheap and available everywhere
•Most hotels provide free bottled water
•Use bottled water for brushing teeth as a precaution

Frequently Asked Questions

Can you drink tap water in Istanbul?

Is it safe to brush teeth with Istanbul tap water?

Why don't Istanbul residents 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

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