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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[–] [email protected] 3 points 2 years ago

German Here, we have really good Tapwater here.

[–] [email protected] 3 points 2 years ago* (last edited 2 years ago)

Hungarian here. It is safe to drink without boiling. People only boil water for baby formula to be extra safe.

[–] [email protected] 3 points 2 years ago

One thing to consider: While tab water in most of the developed world is potable,any water safety guarantees usually end where the house water pipes begin. Depending on the state of the piping, tap water might not be safe, even if the water supplyer says it's safe.

You can get a water test (especially bacteria is important) for relatively cheap. Last time I did such a test it was ~€60. It's not wrong to do one.

Also, the definition of potable water is that the water is potable after the tap has been running for 10(!) minutes.

Bacteria contaminated pipes are pretty common and if the water has been sitting in these biofilm-covered pipes over night or even longer, the water can become pretty harmful. Especially after you get home from a vacation, letting the water run for a decent amount of time might be a good thing.

Also: the worst thing that can happen to your water pipe system are blind pipes, so pipes that are connected only on one end. That could be e.g. left-over plumbing after remodeling or pipes that lead to unused taps. If at all possible, these ahould be removed or flushed at best daily.

[–] [email protected] 3 points 2 years 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.

[–] [email protected] 3 points 2 years ago (1 children)

I never drink water out of the tap because I prefer to filter it first. It’s safe to drink but I want it clean and much colder so into a filter pitcher and put that in the fridge

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[–] [email protected] 3 points 2 years ago* (last edited 2 years 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?

[–] [email protected] 3 points 2 years 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.

[–] [email protected] 3 points 2 years ago

We drink straight from the tap here in Scotland. It's great water.

[–] [email protected] 3 points 2 years ago

Luxembourg here, i'll drink straight from the tap.

[–] [email protected] 3 points 2 years ago (12 children)

In the UK they had separate taps for hot and cold because the cold was safe to drink and the hot was not.

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[–] [email protected] 3 points 2 years 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.

[–] [email protected] 3 points 2 years ago

In Rome there are literally fountain running constantly in the middle of almost all the streets(old area specially ) of potable whater. Again non stop, people use them allot

[–] [email protected] 3 points 2 years ago

From Singapore. Tap water here is potable but we boil it first out of habit. (But I use tap water for drinking when boiled water has run out).

[–] [email protected] 3 points 2 years 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.

[–] [email protected] 3 points 2 years ago* (last edited 2 years ago)

I live in Brazil. When I lived on the farm, father set it up so the water would come from a natural underground mine and it was entirely safe to drink. However, in the town, we always bought gallons of packet water instead of using it from the tap. In the city I drank tap water for some years and didn't die, but the taste of the water changed when we began using a filter (thought it was likely that it was because the thing connecting our tap to the system was made out of rubber and a colony of bacteriae began to grow there).

Still, Brazil as a whole is mid risk for intestinal parasites and everyone is recommended to get a filter or packed water by the UN, and also to take anti-vermin medicine once per year.

[–] Spitsbu 3 points 2 years ago

Canadian - where I'm from we have an ozonation process making our tap water the best in the world!

[–] [email protected] 3 points 2 years ago

Canada - Many people here put water in the fridge or a britta jug to get rid of the chlorine taste

[–] [email protected] 3 points 2 years ago* (last edited 2 years ago) (1 children)

Poland here, tap water is pretty drinkable in cities, not sure about rural areas though, also I personally use Brita filter just to be sure

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[–] [email protected] 3 points 2 years ago* (last edited 2 years 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.

[–] [email protected] 2 points 2 years ago

India here. I can drink tap water without boiling, it just has a slight chlorinated taste. That's why we prefer to filter it, rather than boil.

[–] [email protected] 2 points 2 years ago

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

[–] [email protected] 2 points 2 years ago

USA: Yes, I drink tap water.

[–] [email protected] 2 points 2 years ago* (last edited 2 years ago)

At home I exclusively drink tap water. I only boil it for tea sometimes :) Iβ€˜m from Germany.

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