Not Safe
Thailand
·
Last reviewed:
Is Tap Water Safe to Drink in Phuket?
No, Phuket tap water is not safe to drink. The island has limited freshwater resources and the Provincial Waterworks Authority supply is not reliably potable. Bottled water is essential for all drinking and tooth-brushing needs.
Hardness
Variable (80–200 mg/L calcium carbonate depending on the source—groundwater areas tend to be harder)
Country
Thailand
Rating
Not Safe
Soft
Moderate
Hard
Very Hard
Water Source
Provincial Waterworks Authority supply from limited island reservoirs and groundwater sources with basic treatment
Contaminants & Concerns
Bacteria, high salinity in some areas due to saltwater intrusion, sediment, rust from aging pipes, inconsistent chlorination levels across the island
Tips
- •Always use bottled water for drinking and brushing teeth throughout Phuket
- •Buy water in bulk from convenience stores like 7-Eleven to save money—large 6-liter bottles are widely available
- •Avoid ice at small beach bars and street stalls; reputable restaurants use commercial purified ice
Frequently Asked Questions
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