Holy See

/ 100

Safe

Safe to drink. A well-regulated public supply with modern treatment and monitoring — you can drink straight from the tap.

Can you…

Drinkable?

Yes

Brush teeth?

Yes

Ice?

Yes

Cooking?

Yes

Source → Tap

Modern network · well-maintained

Treatment

Modern treatment + strict monitoring

Contamination risk

low

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Is tap water safe in Holy See?

Holy See scores 90/100 on our water-safety index — safe to drink. A well-regulated public supply with modern treatment and monitoring — you can drink straight from the tap. Scores above 70 mean tap water is generally safe to drink. 40–69 means treat it with caution — filtering or bottled water is wise. Below 40 means it’s best avoided straight from the tap.

Drinking, brushing, ice & cooking

Drinkable?: Yes — tap water is safe to drink straight from the faucet.
Brush teeth?: Yes — brushing your teeth with tap water is perfectly fine.
Ice?: Yes — ice made from tap water is safe.
Cooking?: Yes — cooking and rinsing produce with tap water is safe.

Water treatment & pipe infrastructure

Holy See relies on modern treatment + strict monitoring, delivered through a modern network — well-maintained. That puts the practical contamination risk between source and tap at low. Even where water leaves the plant clean, aging mains and rooftop storage are where quality most often slips.

Frequently asked questions

Can you drink tap water in Holy See?+

Holy See scores 90/100 on our water-safety index — safe to drink. Yes — tap water is safe to drink straight from the faucet.

Is it safe to brush your teeth with tap water in Holy See?+

Yes — brushing your teeth with tap water is perfectly fine.

Is ice safe to use in drinks in Holy See?+

Yes — ice made from tap water is safe.

Is tap water in Holy See safe for cooking?+

Yes — cooking and rinsing produce with tap water is safe.

Data & sources

WHO/UNICEF JMP doesn’t publish a safely-managed drinking water estimate for Holy See. This score is an editorial estimate informed by regional data and CDC traveler guidance.

Read the full methodology — how the 0–100 score is built and what it does (and doesn’t) mean.