Asia
Suginami-ku
Japan
Quick Answer
Tap water is safe to drink.
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Detailed Guidance
Suginami-ku tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.
Tap Water Usage Guide
Brush Teeth
Yes, when served by the regulated public supply
Ice Cubes
Yes, when made from the regulated public supply
Wash Fruit
Yes, using clean tap water
Shower
Yes
Restaurants
Tap water is generally fine; check posted advisories
Locals Drink
Yes, from regulated public supplies
Water Quality Score
Water Quality
Good
Water Source
The advisory says tap water is generally safe to drink and use in cooking in Japan. No current Suginami-ku customer-tap compliance source was found in this batch, so the page remains a conservative source-gap assessment.
Sources & review
Last reviewed:
Evidence basis: Limited public evidence
Freshness due:
The guidance is intentionally cautious because current city-level customer-tap evidence is incomplete.
The advisory says tap water is generally safe to drink and use in cooking in Japan. No current Suginami-ku customer-tap compliance source was found in this batch, so the page remains a conservative source-gap assessment.
Open caveat: No current public Suginami-ku customer-tap compliance dataset was found in this batch.; Countrywide travel-health guidance supports conservative visitor behavior but does not prove conditions in every neighborhood, hotel, building tank, or private supply.
Travel Safety Information
Pickpocket Risk
Low
Night Safety
Mostly safe
Scam Risk
Low
English Level
Moderate
Best Time to Visit
March to May and October to November
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Other Cities in Japan
Tokyo
Japan
Tokyo tap water is generally safe to drink from the municipal supply. Use normal building-plumbing caution after long stagnation and follow any official local advisory if one is issued.
Osaka
Japan
Osaka tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.
Kyoto
Japan
Kyoto tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.
Nagoya
Japan
Nagoya tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.