Can I Drink Tap Water in Fukuoka?
Safe
Quick Answer
Tap water in Fukuoka is safe to drink and regulated under Japan’s national drinking water standards.
Fukuoka’s tap water is generally safe to drink under Japan standards. The supply is mainly surface water (rivers and reservoirs) and is treated with filtration, chlorination, ozonation, coagulation/flocculation. Most visitors can drink from the tap; bottled water is optional for taste.
Rankings & Comparisons
Safety Overview
Global rank
#41 out of 152
Safety rating
4.8/5
Dataset average
3.8/5
Rank in Japan
#4 out of 6
Japan average
4.8/5
Water Quality Details
Fukuoka’s drinking water is supplied under Japan’s national standards and monitored by local utilities and health authorities. The system draws primarily from surface water (rivers and reservoirs) and uses filtration, chlorination, ozonation, coagulation/flocculation before distribution through the city network.
Taste and mineral content can vary by neighborhood and building age, and the water is typically soft with an estimated TDS around 80 mg/L. If you notice a chlorine or mineral taste, chilling the water or using an activated carbon filter can improve flavor without affecting safety.
Water sourceSurface water
TreatmentFiltration, Chlorination, Ozonation, Flocculation
HardnessSoft
TDS80 ppm
Taste rating4/5
Taste notesClean and mild flavor due to soft water composition · Slight chlorine note possible in urban areas, dissipates quickly · Naturally low mineral content gives a light, smooth mouthfeel
Practical Tips
🧊 Ice is safe
🪧 Brushing teeth safe
🍽 Restaurant water safe
🔥 Boiling effective
💧 No filter needed
- Tap water is safe to drink throughout the city
- In older buildings, let the tap run for 10–20 seconds before drinking
- Chill tap water to reduce any chlorine taste
- Use an activated carbon pitcher if you prefer a milder taste
- Carry a refillable bottle to avoid single-use plastics
- Ice is generally safe in reputable restaurants and hotels
Bottled water~$0.85 USD (Everywhere)
Traveler Advice
Risk level: Low
Diarrhea risk: Low
Fukuoka tap water is safe for most travelers. You can drink, brush teeth, and use ice in reputable restaurants and hotels. If you have a sensitive stomach or dislike mineral taste, opt for filtered or bottled water.
No acclimation period required. Japan's tap water is immediately safe for all travelers. Some visitors used to hard water may find the soft water tastes lighter or flatter than expected, but this poses no health concern.
- No special precautions needed for tap water consumption
- Travelers accustomed to hard water may notice softer taste initially
Sources & References
Official Report
Data confidence: Medium
Last updated: 2026-02-24
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