Is Chiang Mai Tap Water Safe? (2019)

Is it safe to drink tap water in Chiang Mai, Thailand? Some people trust the tap water. Locals in Chiang Mai are not drinking tap water. That said, Thailand’s Prime Minister Prayuth Chan-o-cha and the Provincial Waterworks Authority, reassure that the water in Chiang Mai municipality exceeds standards laid out by the World Health Organization.

Heating water till it boil for a minute will kill bacteria and microorganism. However, hazardous heavy metals, chemical contaminants, and particulate matter that may be in the water will remain. Drinking tap water in Thailand is unrecommended—unless it is a life or death scenario. Which only leaves us exploring other options for how to get drinking water in Chiang Mai.

Bottled Water in Chiang Mai

Chaing Mai bottled drinking water is sold separately or wrapped bundles of 6, 12, and 24. You may find them in any grocery store or convenience stores that we have listed below.

In Thailand, bottled water is a big business. Bottled water in Thailand is within the top ten markets in the world worth over 1 billion USD.

Chiang Mai Tap Water

Source of Water in Chiang Mai, Thailand

There are three significant sources of water in Chiang Mai for bottled water corporations: public water supply, underground aquifers, and spring water.

In order to get rid of the liquid contaminants, water bottle companies filter their water through the various purification process. Many companies perform purification through “REVERSE OSMOSIS.“ In this process, water filtered until impurities and large particles removed from the liquid. Reverse Osmosis a cheap and quick solution to purify water allows residents to have enough water that lasts for a week at a reasonable cost.

Common Convenience Stores in Chiang Mai

  • Tesco Lotus Express
  • Mini Big C
  • Tops daily mini
  • Rimping Supermarket
  • Green Store
  • 7 Eleven
  • Tops market Chotana
  • Chiang Mai Bread

Bottled Water Estimated Price

VolumeBAHTUSDEURGBP
1.5liter฿15$0.50€0.43£0.39

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