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\n\nFor anyone thinking about traveling to or moving to Vietnam, \"can you drink the tap water?\" is one of the biggest questions. In Japan, water you can drink straight from the tap is taken for granted, but overseas the situation is very different.<\/p>\n\n
In short, Vietnam's tap water is not suitable for drinking!<\/p>\n\n
Even in major cities like Ho Chi Minh City, Hanoi, and Da Nang, drinking tap water straight is not recommended. Japan's Ministry of Foreign Affairs also states plainly that \"the quality of Vietnam's tap water can hardly be called good and it is not suitable for drinking.\" This article thoroughly explains Vietnam's water situation and how to secure safe water while traveling or staying there.<\/p>\n\n\n\n\n\n
It is safest for travelers not to drink tap water in Vietnam directly. However, the figures cited in the earlier article \u2014 that standards are \"more lenient than WHO guidelines\" and that chlorine levels are \"ten times those in Japan\" \u2014 have been removed, as the region, time period, and measurement conditions cannot be verified. Water quality is affected not only by the treatment plant but also by building storage tanks and pipes.<\/p>\n\n
The main risk factors in tap water are as follows.<\/p>\n\n
Sources<\/b> VietScout, \"Is Vietnam's tap water drinkable? A resident's guide to choosing safe water and taking precautions\"<\/a>created from<\/p>\n\n Some may think, \"Surely it's fine if I boil it?\"<\/p>\n\n Thorough boiling can inactivate many pathogens, but it is not a method for removing all chemical substances or turbidity. If the water is cloudy, discolored, has an unusual odor, or chemical contamination is suspected, do not rely on boiling \u2014 use sealed, safe drinking water instead. Harmful substances such as heavy metals and pesticides cannot be removed by boiling tap water. In fact, as water volume reduces, the concentration of harmful substances may actually increase. For this reason, boiling tap water alone cannot be considered unconditionally safe.<\/p>\n\n Many Vietnamese people also don't drink tap water directly; buying mineral water is the norm.<\/p>\n\n\n\n Vietnam's north-to-south geography means water quality can differ significantly between regions. There is insufficient basis for fixed city-level generalizations such as \"Hanoi has very hard water and Ho Chi Minh City has soft water.\" Quality varies by water source, district, building infrastructure, and season; if hardness is relevant to you, check the supplier's analysis data or use a simple test kit.<\/p>\n\n Hanoi's very hard water contains a lot of minerals such as magnesium, so women will notice their hair feeling squeaky and shampoo lathering poorly. Those with long hair especially can improve lathering and the after-wash feel by using hard-water-friendly hair care products (such as L'Oreal or Schwarzkopf).<\/p>\n\n Ho Chi Minh City's soft water, on the other hand, is close to Japan's water quality, making it relatively familiar and easy for Japanese people to deal with.<\/p>\n\n Sources<\/b> Vietwork, \"[Vietnam water situation] Is tap water safe...?\"<\/a>created from<\/p>\n\n The risk of using tap water to brush your teeth or rinse your mouth is not as high as drinking it.<\/p>\n\n Still, using tap water for brushing or rinsing can let harmful substances or pathogens into your mouth. Opinions are divided even among Japanese residents in Vietnam, ranging from those who say \"tap water is fine for soups or boiling vegetables\" to those who \"use mineral water for everything, even washing food and brushing teeth.\"<\/p>\n\n Even when brushing your teeth, if there is any chance of swallowing water, it is safest to use sealed bottled water or appropriately treated water. Do not assume that \"you get used to tap water eventually\"; infants, pregnant women, the elderly, and people with weakened immune systems should be especially cautious.<\/p>\n\n Some people experience stomach upsets even when drinking mineral water. Diarrhea and stomach pain are not caused solely by water hardness; food, ice, infections, and physical condition are among multiple possible causes. If symptoms are severe, or if you experience bloody stools, high fever, dehydration, or prolonged illness, consult a medical facility.<\/p>\n\n Much of Vietnam's water is hard (containing minerals such as magnesium), so Japanese people who aren't used to hard water can get an upset stomach when they suddenly start drinking it. Choosing soft mineral water can ease this problem.<\/p>\n\n\n\n When eating out in Vietnam, ice is often flagged as something to be careful about. In the Vietnamese style, ice goes into the famous Vietnamese coffee, of course, but also into sinh to (fruit juice) and even beer.<\/p>\n\n The risk from ice varies depending on the shop and how it is manufactured and stored; it cannot be uniformly described as \"reasonably safe.\"<\/p>\n\n This is because no one would make ice using tap water that is known to be undrinkable. Ice consumption is high in Vietnam, and most food and drink establishments \u2014 from local caf\u00e9s to upscale restaurants \u2014 purchase ice from suppliers. Even supplier-made ice can be contaminated during transport, storage, or handling. At establishments where you cannot assess hygiene conditions, ask for no ice; choose ice only when you can confirm it has been made from safe drinking water.<\/p>\n\n That said, it can't be called 100% safe. If you're worried, it's safest to avoid it. Being on edge would ruin an otherwise good meal.<\/p>\n\n Sources<\/b> TNK Travel, \"Is Vietnam's water safe? Vietnamese mineral water you can buy with peace of mind\"<\/a>created from<\/p>\n\n If you're living in Vietnam, there are mainly two ways to secure drinking water at home.<\/p>\n\n 1. Installing a water purifier<\/strong><\/p>\n\n Middle-class and above Vietnamese households almost always have a water purifier installed. Installing one lets you use tap water as drinking water. It's an especially recommended method for those staying long-term.<\/p>\n\n 2. Water delivery service<\/strong><\/p>\n\n A water delivery service brings large mineral water bottles (19 liters) to your home or office. You can also rent a water dispenser. It's a convenient service that works for everything from short stays to long-term living.<\/p>\n\n As a basic rule, buy mineral water at convenience stores, supermarkets, or street stalls. Choose products that are factory-sealed and unopened, show no cloudiness, unusual odor, or damage, and come from a reliable retailer. We do not assert that all commercially available products are safe.<\/p>\n\n Bottled water in Vietnam costs roughly half what it does in Japan. Prices vary by shop, but both 500ml and 1L bottles run around 12,000 dong (about 73 yen). It's cheap enough to buy without hesitation, so stay on top of your hydration.<\/p>\n\nWhy boiling doesn't make it safe<\/h3>\n\n
Water quality differences by city: the traits of Hanoi and Ho Chi Minh City<\/h2>\n\n
Hanoi is very hard water, Ho Chi Minh City is soft water<\/h3>\n\n
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\n\n\n\nIs it okay to use tap water for brushing teeth and rinsing?<\/h2>\n\n
Can mineral water still upset your stomach?<\/h3>\n\n
Is the ice and drinking water at restaurants safe?<\/h2>\n\n
About the safety of ice<\/h3>\n\n
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\n\n\n\nHow to secure safe water: at home and out and about<\/h2>\n\n
How to secure water at home<\/h3>\n\n
Staying hydrated when out and about<\/h3>\n\n
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