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Old 29.05.2020, 14:16
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Where does our dirty water go?

Hi!!
Please help me in replying to my 6 year old kid's question. (I would like to know too)
We live in Basel.

Where does our wash basin /shower / kitchen sink drain-water go?
Where does our poop water go?
Where does the fountain (potable)water go?

Does it go into the river?
Does it lead simply to the ground water?
Does it go to a treatment-plant?

Thanks !!
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Old 29.05.2020, 14:41
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Re: Where does our dirty water go?

Treatment plant.

Tom
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Old 29.05.2020, 14:56
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Re: Where does our dirty water go?

https://www.swissinfo.ch/eng/switzer...oneer/43298188


https://www.outotec.com/references/s...zurich-canton/
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Old 29.05.2020, 14:56
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Re: Where does our dirty water go?

According to you profile, yours probably goes here.

Why don't you take your kid to have a look at it? Is s/he 9 years old yet (minimum age)?

Last edited by curley; 29.05.2020 at 14:58. Reason: kid not son
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Old 29.05.2020, 15:05
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Re: Where does our dirty water go?

If you want to be pedantic there are actually two separate systems.

Rainwater from gutters, street drains etc does not go into sewers but is considered sufficienty clean to end up in the river.

All the stuff from your sinks, including poop water from toilets goes to treatment plants.

On some older houses the two systems are not separated meaning that rainwater also goes to the treatment plant, which is of course a waste of resources, and why this is being phased out.
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Old 29.05.2020, 15:07
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Re: Where does our dirty water go?

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If you want to be pedantic there are actually two separate systems.

Rainwater from gutters, street drains etc does not go into sewers but is considered sufficienty clean to end up in the river.

All the stuff from your sinks, including poop water from toilets goes to treatment plants.

On some older houses the two systems are not separated meaning that rainwater also goes to the treatment plant, which is of course a waste of resources, and why this is being phased out.
Which is why it's illegal to just wash cars anywhere on the streets, for example.
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Old 29.05.2020, 15:20
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Re: Where does our dirty water go?

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According to you profile, yours probably goes here.

Why don't you take your kid to have a look at it? Is s/he 9 years old yet (minimum age)?
Would be fun to dye your poop blue and try to spot it at the treatment plant
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Old 29.05.2020, 15:25
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Re: Where does our dirty water go?

I will add this:
in modern times different kind of waste water should be collected divided as much as possible. This helps a lot in lower the costs of treating it.
- First it should be divided between meteor and household, where meteor water can go trough simple sand trap and retainers back into the ground.
- Secondly, you can divide grey and fecal water. It's easier to clean grey water than fecal, which can be potential life hazard.
The investment in necessary infrastructure for this is huge, so even in Switzerland they are doing it slowly and gradually. That means even now those waste water often travel together trough same pipes, so sometimes in time of floods can happen that everything is overflowing.
btw, outbreaks of cholera pandemics in 19th century have huge positive influence on city planning. Through wrong assumption they even help with making famous Central Park in NY.
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Old 29.05.2020, 16:04
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Re: Where does our dirty water go?

I found this for a community in this area (German):
http://www.gbm-muri.ch/cgi-bin/dynam...20Abwasser.pdf

Here, sewage and rain water can be mixed or it can be separated. It doesn't say what happens to the treated water, but it will go into a river (Aare).

I agree with Curley. Do a visit. A long time ago in Paris my wife and I went to the Sewers Museum (Musée des Égouts). It was the cultural highlight, surpassing even the Louvre.
https://www.youtube.com/watch?v=Ag9wb_R49y0
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Old 29.05.2020, 16:21
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Re: Where does our dirty water go?

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Would be fun to dye your poop blue and try to spot it at the treatment plant
Just tried to work it out: if you took your jobbie and laced it with fluorescein. At a guessed detection ideal of 1uM. and the given 86000 cum of effluent a day at this treatment plant, then assuming that said jobbie has been evenly distributed in this volume would require about 30kg of fluorescein.


I have probably overestimated the detection limit; with a UV lamp you can surely cut that by a factor of at least ten- still you are going to have to lace a lot of jobbies:
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Old 29.05.2020, 16:44
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Re: Where does our dirty water go?

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Just tried to work it out
This one's a lot easier: https://io9.gizmodo.com/a-tiny-gps-t...wallow-5204138
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Old 29.05.2020, 17:13
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Re: Where does our dirty water go?

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- First it should be divided between meteor and household,.
Switzerland - so organised, we even have special places for ice asteroid recycling.

(Yes, I know you mean meteo = weather, but it was a nice image conjured up in my mind).
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Old 29.05.2020, 17:57
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Re: Where does our dirty water go?

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If you want to be pedantic there are actually two separate systems.

Rainwater from gutters, street drains etc does not go into sewers but is considered sufficienty clean to end up in the river.
It all depends where one lives. Streets that have a decent amount of filth will see their rainwater go to a treatment plant. Only if streets are clean enough it will end up in the river/lakes.
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Old 30.05.2020, 01:41
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Re: Where does our dirty water go?

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Which is why it's illegal to just wash cars anywhere on the streets, for example.
If you use soapy stuff. Water only should be no issue.
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Old 30.05.2020, 07:44
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Re: Where does our dirty water go?

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If you want to be pedantic there are actually two separate systems.

Rainwater from gutters, street drains etc does not go into sewers but is considered sufficienty clean to end up in the river.

All the stuff from your sinks, including poop water from toilets goes to treatment plants.

On some older houses the two systems are not separated meaning that rainwater also goes to the treatment plant, which is of course a waste of resources, and why this is being phased out.


The street wastewater from busy streets etc must be cleaned in a street wastewater treatment plant (SABA) before being discharged into water or before seeping into the ground.

Unfortunately in sewerage water they cant filter out all medicament,antibiotic ,hormones remains etc. So with drinking water you get a big hit from these.

Last edited by omtatsat; 30.05.2020 at 07:57.
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Old 30.05.2020, 09:59
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Re: Where does our dirty water go?

It all gets recycled and in the end comes back out of the tap.
Keep in mind that there's always a bit of Caesar's urine in your drink.

https://redneckmath.blogspot.com/201...ars-urine.html

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Old 30.05.2020, 11:09
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Re: Where does our dirty water go?

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If you use soapy stuff. Water only should be no issue.
Stating the obvious.

Which is why I just park my car outside in the rain every now and then.
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Old 30.05.2020, 21:55
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Re: Where does our dirty water go?

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Switzerland - so organised, we even have special places for ice asteroid recycling.

(Yes, I know you mean meteo = weather, but it was a nice image conjured up in my mind).
Yes, I was doing direct translation from my own language, never a good idea. Btw, I googled it, it is: "meteoric water"
another trivia: ....the term (meteoric) was eventually used to describe any notable changes appearing in the sky (including meteors, originally thought to be weather phenomena).
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Old 30.05.2020, 21:57
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Re: Where does our dirty water go?

Mmmmm. Recycled poop water.
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Old 30.05.2020, 22:16
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Re: Where does our dirty water go?

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Stating the obvious.

Which is why I just park my car outside in the rain every now and then.
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Or actually - as it would make sense to me - is there one sign language world wide?
Different things are obvious to different people.
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