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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[–] PetrusHyde@lemmy.ml 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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[–] wildeaboutoskar@beehaw.org 2 points 1 year ago (2 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.

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[–] nick@campfyre.nickwebster.dev 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.

[–] Aaron@lemmy.nz 2 points 1 year ago (1 children)

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

Tastes great right from the tap.

[–] nick@campfyre.nickwebster.dev 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.

[–] Aaron@lemmy.nz 2 points 1 year ago

One of us... One of us..

[–] boopdepop@lemmy.fmhy.ml 2 points 1 year ago

I visited australia and we had to drink from the tap.

[–] Gray@lemmy.ca 2 points 1 year ago* (last edited 1 year ago) (1 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.

[–] Rokil@sh.itjust.works 2 points 1 year ago* (last edited 1 year ago) (3 children)

I'm not sure that's a myth, everywhere I search I find reasons to not drink hot tap water:

  • The heated water may cause the plumbing to release harmful substances such as lead and nickel
  • Cold water is fresher. Hot water stays in the plumbing system for a longer period of time to get heated. Longer stagnation time in the system may cause higher bacterial levels
  • Hot water is exposed to more pollution sources since it passes through additional tanks or heating systems.
  • The level of microorganisms is higher in hot water plumbing

From this page

(PS : I'm talking about France, where I live, where we mainly use water tanks to heat and store hot water. Cold tap water is perfectly fine to drink, on the other hand.)

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[–] BendyLemmy@lemmy.ml 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.

[–] JaneDoe@lemmy.ml 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.

[–] JASN_DE@feddit.de 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.

[–] thelittlea@lemmy.ml 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. I’m looking to get a whole home water filter installed to remedy that.

[–] GONADS125@lemmy.world 2 points 1 year ago

I live in the US in a location where the tap water is safe to drink (not always the case, e.g., Flint Michigan) but I still filter it for the taste (chlorine in the water).

Most municipal water is safe to drink in the US. Ground water depends entirely on where you live and many situational factors (City pollution, water level, etc.).

We will get boil notices from time to time when a contaminant is detected in the water supply. But that's been rare in my experience, after living in several regions in the US.

No one should ever use tap water for netty potting without boiling it though! You can contract a brain-eating amoeba if you don't boil, which has over 97% death rate.

[–] Iconoclast@slrpnk.net 2 points 1 year ago

Austria, yes, water is fine like that I would even drink it in the shower without issue. What is an issue is this habit once made for a bad time in Egypt where I didnβ€˜t drink tap water (I was warned), but I mindlessly used it for brushing teeth and that probably ruined my last few days there.

[–] dmxk@lemmy.ml 2 points 1 year ago (1 children)

Here in Austria(and some other places in Europe), tap water usually is better quality than bottled water. Even where it isnt, its chlorinated enough so there should be nothing in there to cause any sort of health issues. This seems to be the case everywhere in Europe in myexperience.

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[–] degrix@hqueue.dev 2 points 1 year ago

US, Colorado - no need to filter or boil the tap water here. One of the benefits of living at the base of the mountains I suppose

[–] cashews_win@lemmy.world 2 points 1 year ago (2 children)

Hello Mr Hong Kongnese. I'm a Brit. We don't boil water here and I've visisted Iceland - they don't boil it either.

Diu gau lan tsat hai - Merry Christmas. Enjoy your holiday.

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[–] httpjames@sh.itjust.works 2 points 1 year ago (3 children)

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

[–] saigot@lemmy.ca 2 points 1 year ago

Unless you live on an indigenous reserve. 😞

[–] Vex_Detrause@lemmy.ca 2 points 1 year ago

We have a law that ensures tap water is potable but not sure why it's not more strictly enforced on reserves. But the city tap water is potable.

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[–] SomethingClever@lemmy.ml 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.

Asian that’s moved to the U.K. here.

Back home, when I grew up I’ve never drank tap water. In my college days I was way too lazy and started just drinking it with a cheap filter. Surprisingly I survived for 5 years despite everyone around me telling me otherwise.

Now in the U.K. I’ve always drank straight from the tap. It’s surprisingly refreshing! And the boiled water taste I can’t really get used to again when I visit home.

The water in Iceland is safe to drink from the tap. Although if I recall correctly it’s pretty sulfuric due to the local hot springs.

I’ve visited a few countries around Europe and have always enjoyed sampling their local tap.

[–] 5pz@lemmy.ml 2 points 1 year ago

certainly no harm in boiling, but yeah most places in the US I just drink right out the tap if it's public water. Some places are better than others, but usually a filter does the trick. Well water is a whole other story.

[–] gawron@lemmy.ml 2 points 1 year ago

Poland: water is always drinkable from the tap.

[–] Yaardman876@lemmy.ml 2 points 1 year ago

Here is Jamaica it is safe to drink the tap water without boiling.

[–] computerfan0@beehaw.org 2 points 1 year ago

Irish person here. Yes, I drink my tap water without boiling. My water comes from a well as I live in a rural area, but town/city water is drinkable too.

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