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

[โ€“] mokosai@lemmy.world 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€“] gawron@lemmy.ml 3 points 1 year ago

Poland: water is always drinkable from the tap.

[โ€“] valdisnei@lemmy.ca 3 points 1 year ago

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

[โ€“] ki77erb@lemmy.world 2 points 1 year ago

I'm in the US. When I was kid playing outside we would drink the water straight out of the garden hose. (Yeah I know that's the same as "the tap"). Now days, we have a filter on the water dispenser built into the refrigerator. So water and ice goes through activated charcoal to remove anything that could be in it.

[โ€“] hendrik@lemmy.ml 2 points 1 year ago

Just ask someone from there on day one. They can obviously tell and i think this is the best strategy. I bet it's safe like in most parts of middle and northern europe.

In Lithuania we do not need to boil tap water to drink it and usually it tastes nice unless your plumbing is fucked

[โ€“] 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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[โ€“] AceFuzzLord@lemm.ee 2 points 1 year ago

Where I live in the US, I don't have a need to boil water unless I'm cooking or making tea, and am safe drinking the tap water. I consider myself lucky.

[โ€“] mintyfrog@lemmy.ml 2 points 1 year ago (3 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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Depends on how acclimated your stomach is. Locals may be able to drink without problem but foreigners may have stomach problems.

[โ€“] 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.

[โ€“] sajran@lemmy.ml 2 points 1 year ago

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

[โ€“] Yaardman876@lemmy.ml 2 points 1 year ago

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

[โ€“] 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

[โ€“] SwallowsNest@lemmy.world 2 points 1 year ago

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

[โ€“] ikidd@lemmy.world 2 points 1 year ago* (last edited 1 year ago)

Modern treatment plants don't use chlorine anymore, they use cloramines that have little scent or taste. This is most likely the case in HK as well.

Boiling water that doesn't need to be boiled is a waste of energy and GHG.

[โ€“] maniel@lemmy.ml 2 points 1 year ago* (last edited 1 year ago)

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

[โ€“] 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.

[โ€“] boopdepop@lemmy.fmhy.ml 2 points 1 year ago

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

[โ€“] Gray@lemmy.ca 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€“] Foon@beehaw.org 2 points 1 year ago

I think you've already had plenty of replies here, but yeah here in western Europe, straight from the tap. I'm also fortunate not to have any chlorine in my water. It's delicious.

One thing about the chlorine, it also just evaporates over time without boiling. Filling a jug of water and leaving it standing around for a while will also get rid of that chlorine smell/taste!

[โ€“] TONKAHANAH@lemmy.world 2 points 1 year ago

no and no. The tap where I live taste nasy, i think its safe to drink but its not very good so I dont use it.

[โ€“] Hundun@beehaw.org 2 points 1 year ago

In Finland I drink straight out the shower head, it's fun and wonderfully safe.

[โ€“] 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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[โ€“] kaikanaki@lemmy.ml 2 points 1 year ago

In India generally people use a water purifier to filter tap water before consumption.

[โ€“] Mishmash2000@lemmy.nz 2 points 1 year ago

New Zealand, Christchurch. We can drink straight out of the tap BUT it was chlorinated while our crappy infrastructure was being upgraded in recent years. Still is in some parts of the city I think? The actual water is from deep aquifers and was pristine and then it went through our dodgy wellheads which have since been upgraded.

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