this post was submitted on 26 Jun 2023
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For context, I live in Hong Kong where most people drink tap water after boiling first. Some may install water filter but may still boil the water. Very few drink bottle water unless they're outside and too lazy to bring their own bottles.

Now, I'm researching whether I can drink tap water in Iceland (I'm going there in August), and while it looks like the answer is affirmative, almost no web article mention whether I need to boil the water first. People in Japan (a country I've visited a few times) also seems to be used to drink tap water directly without boiling.

The further I searched, the more it seems to me that in developed countries (like US, Canada and the above examples), tap water is safe to drink directly. Is that true? Do you drink tap water without boiling?

It sounds like a stupid question but I just can't believe what I saw. I think I experienced a cultural shock.

Edit: wow, thanks so much for the responses and sorry if I didnt reply to each one of you but I'll upvote as much as as I can. Never thought so many would reply and Lemmy is a really great community.

2nd Edit: So in conclusion, people from everywhere basically just drink water straight out of tap. And to my surprise, I checked the Water Supplies Department website and notice it asserts that tap water in Hong Kong is potable, like many well-developed countries and regions.

However, as the majority of Hong Kong people are living in high-rise buildings, a small amount of residual chlorine is maintained in the water to keep it free from bacterial infection during its journey in the distribution system. Therefore it is recommended to boil the water so that chlorine dissipates.

So, in short, I actually do not need to boil the water unless I hate chlorine smell and taste. But I guess I'll just continue this old habit/tradition as there's no harm in doing so.

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[โ€“] [email protected] 3 points 1 year ago

German: Yes. Most of the water I consume comes straight from the tap

[โ€“] [email protected] 3 points 1 year ago* (last edited 1 year ago)

Quebec, Canada. I grew up in a rural area where we had our own artesian well on the plot of land, so not attached to any city infrastructure, and no purification process at all, except what is done naturally from the soil. And guess what? It's the purest water I've ever seen, it taste amazingly fresh and the tap is directly plugged on it.

Moved to a big city and now have to use the city infrastructure, which of course have a huge purification plant and they do tests continuously to make sure it pass a high quality threshold. But even if it's probably cleaner than 90% of the rest if the world, it still have a slight unpleasant taste. I could probably buy a filter, but never bothered.

Buying bottled water is seen as wasteful and also a scam since it's often just tap water they bottled. When my family visited a country where bttled water is common, they were disgusted at how much plastic pollution it creates.

I would hate to have to boil water before every usage, I assume you always keep a few gallons in the fridge to keep some cold? It takes space and energy to prepare, must be annoying. But what I wonder the most is, how to do wash yourselves and your clothes? If the water smells foul, doesn't taking a shower just stink you even more than it cleans?

[โ€“] [email protected] 3 points 1 year ago

in Brazil de usually dont boil, but use a traditonal ceramic pot filter.

[โ€“] [email protected] 3 points 1 year ago

Moscow, Russia. You can usually drink tap water in Moscow, but it's something unusually good for Russian bigger cities in general, and it's considered a good thing to boil it. Actually depends on local specifics and where the water comes from.

[โ€“] [email protected] 3 points 1 year ago (3 children)

In Canada most people drink water after filtering through a Brita, but it's safe to drink without.

[โ€“] [email protected] 3 points 1 year ago

Unless you live on an indigenous reserve. ๐Ÿ˜ž

[โ€“] [email protected] 3 points 1 year ago (1 children)

In Canada most people drink straight from the tap. I've met one person who uses a Brita filter...

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[โ€“] [email protected] 3 points 1 year ago

In Argentina, generally you can drink straight from the tap.

In Malaysia, the water is advertised as safe to drink. Large majority however, either boils it or uses their own water filters.

[โ€“] [email protected] 3 points 1 year ago

Yes, living in the US, it's safe to assume that any tap water is safe to drink without boiling. Sometimes it doesn't taste great because of mineral content, but it's safe with very few exceptions.

That's also been the case in any developed country that I have visited, including Iceland, Canada, pretty much all of Europe, Japan, Korea, Taiwan, Singapore, etc. There may be exceptions in all of those places, but in any large city in a developed country you can drink the tap water.

[โ€“] [email protected] 3 points 1 year ago

I'm from Chile and we drink tap water without boiling. Some people buy filtered water because they dont like the taste, not because is unsafe.

It shocked me when I visited Peru and Mexico and realized that tap water is not safe there.

[โ€“] [email protected] 3 points 1 year ago (5 children)

Croatia here,

tap water is completely drinkable and safe without any boiling. Exception are some more remote islands, so if you are going on some island, chekc if the tap water is drinkable.

Fun fact: Croatia actually uses drinkable water for toilets as well, altough i would not drink from a toilet :)

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[โ€“] [email protected] 2 points 1 year ago

Your examples, yes, but I also dont know of any European country where you need to boil the water you drink.

[โ€“] [email protected] 2 points 1 year ago

Here in italy we can drink tap water without boiling it first

[โ€“] [email protected] 2 points 1 year ago

Canada here - I drink water straight from the tap.

Although Canadian tap water is some of the highest quality tap water in the world.

[โ€“] [email protected] 2 points 1 year ago

US here. Although we have a water municipality, I still drink bottled water or water through a filter. I had my water tested by third party lab and found out they over chlorinate which leaves a lot of disinfectant byproducts in the water. Iโ€™m looking to get a whole home water filter installed to remedy that.

[โ€“] [email protected] 2 points 1 year ago* (last edited 1 year ago) (4 children)

US/Canada here as well as someone that has visited most of western Europe (UK, France, Netherlands, Belgium, Luxembourg, Germany, Switzerland) and stayed in hostels - no boiling necessary in any of these places.

There's actually a pervasive myth I've encountered that hot tap water is dangerous and that one should only drink cold water. As far as I'm aware, this myth is due to an old setup for water systems that many western homes had before modern taps. The tap was separated into separate cold/hot faucets. The cold water came safely from the city, but the hot water came from tanks that were stored in people's attics. The water in these tanks sat stagnant and was therefore prone to rats and other creatures dying in it or bacteria building up. This is why still today, most British homes have separate hot/cold taps - to keep the "safe" water separate from the "dangerous" water. I occasionally encountered such taps in the US and I assume that's why my dad raised me to make sure the water was cold before drinking it. My father's understanding of this was clearly outdated though. I learned all of this from a Tom Scott video.

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[โ€“] [email protected] 2 points 1 year ago

German here. Yes, constantly. The only reason to not do it would be taste (personal preference) or sometimes due to pollutants entering the system, which is explicitly communicated by the city.

[โ€“] [email protected] 2 points 1 year ago

You can safely drink unboiled tapwater in most places in Poland.

[โ€“] [email protected] 2 points 1 year ago (1 children)

UK- we don't boil water here unless there's an issue with the pipes. I got told not to drink the water in places like Spain and Italy as it could make me unwell, but not sure if that's as big a deal now.

[โ€“] [email protected] 2 points 1 year ago* (last edited 1 year ago) (1 children)

I got told not to drink the water in places like Spain and Italy as it could make me unwell

This is total BS, if anything, tap water is considerably better in those countries.

Source: I spent a good amount of time in all the countries you mentioned

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[โ€“] [email protected] 2 points 1 year ago (1 children)

New Zealand and yes it's safe to drink without boiling here. I do run the tap for a few seconds to clear out any standing water before drinking anything though.

[โ€“] [email protected] 2 points 1 year ago (1 children)

Also NZ, South island, only time I boil water to drink is for tea โ˜•

Tastes great right from the tap.

[โ€“] [email protected] 2 points 1 year ago (1 children)

Haha true, although I'm more of a coffee person myself.

I didn't know there was a NZ lemmy instance, I've got some new communities to subscribe to.

[โ€“] [email protected] 2 points 1 year ago

One of us... One of us..

[โ€“] [email protected] 2 points 1 year ago (1 children)

Spanish here. I drink tap water, but I have a filter installed in the faucet, otherwise it tastes a bit funny (it is drinkable though).

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[โ€“] [email protected] 2 points 1 year ago

In France tap water is drinkable and good almost anywhere, the exceptions being in some cities during drought or due to unusual pollution. I actually dislike most mineral bottled water because I find it tastes like something.

I used to live in Thailand, while the authorities say the water is good you'll likely get sick if you drink water straight from the tap. I used to buy my water from a filtering machine near my condo.

[โ€“] [email protected] 2 points 1 year ago* (last edited 1 year ago)

This is crazy - for sure, in many countries it can be taken straight from the tap depending on the reliability of infrastructure... but to waste energy boiling it??? No thanks.

In England, I moved a few times - some places have great tasting water - others not so great - meaning it's always safe (and ok for brewing or cooking) but not so good for drinking from the tap.

In Scotland (a couple of places I stayed and worked) it's a toss up whether you should drink the tapwater, or go to your local and take another dram from the top row.. those Single Malt Whiskeys made with water from Scotland are amazing... but both are safe in moderation.

In Bangkok, if I don't clean my shower out monthly, it ends up with brown gunge building up, so I certainly don't drink the stuff... and it's hard to know how clean it is (though we're told it's certainly drinkable at source, it has a long way to come to my house - and the pressure of the system is low... another red flag). Visiting tropical islands, you see some resorts are connected via long plastic pipes which are often on the surface (in the sun) and so definitely not the best candidate for anything more than a shower.

In Bangkok too, unless you can test it yourself you shouldn't drink it - but I fail to see why you'd decide to boil dirty water and drink it, seeing as most countries with inadequate tap water have drinking water.

I wouldn't use 'boiled tap water' to make my pasta either.

I have six large bottles which gets topped up each week, to make sure I have plenty of water to cook and drink with... If I didn't, then I'd invest in a good water filtration system.

[โ€“] [email protected] 2 points 1 year ago

Depends on how acclimated your stomach is. Locals may be able to drink without problem but foreigners may have stomach problems.

[โ€“] [email protected] 2 points 1 year ago (2 children)

In USA yes, we drink tap water without boiling as long as we're in an area with safe tap water (most of the population) and not using our own untreated/untested well water. Every once in a while we get alerted to local unsafe tap water. We have a filter on the tap water but haven't always.

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[โ€“] [email protected] 2 points 1 year ago

One thing about tap water in the USA is that, while you can drink it, water taste varies a lot.

For instance, in the Southwest USA, it is very common for bottled water to be sold in gallons. There are even small stores whose main purpose is to filter tap water to remove minerals.

You also have the use of non-potable "grey" water that is treated sewage water that gets used for irrigation. You'll usually see signs to not drink that water.

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