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How is Sydney's drinking water supply purified?



 
 
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  #11  
Old April 8th, 2005, 03:31 PM
Ralph Holz
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Hi,

That doesn't mean our water is bad, but in the interior a
lot of it comes from rivers or artesian sources and has to
be appropriately treated.


That's right. The difference between Sydney's water and Adelaide's is incredible.

R
  #12  
Old April 8th, 2005, 03:31 PM
Ralph Holz
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Hi,

That doesn't mean our water is bad, but in the interior a
lot of it comes from rivers or artesian sources and has to
be appropriately treated.


That's right. The difference between Sydney's water and Adelaide's is incredible.

R
  #13  
Old April 10th, 2005, 04:15 AM
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On Thu, 07 Apr 2005 21:33:54 GMT, "AlmostBob"
wrote:

North American drinking water is dragged out of the local river or ground
water, it is the combined urine and industrial wastes of all the upstream
cities.



Cite please.

Actually from a health & hygiene exam I did a few years ago, were you
aware that by the time treated human waste water is returned to the
ocean/rivers, it is very pure!


Australian water is rainwater collected in a dam, and so needs a lot less
chlorine than anything in North America, even Adelaide



Must have a bloody big annual rainfall to supply all ya Aussie cities
eh.

Never had anything like all those Great lakes cities, where the water inlet
is 500m downstream of the sewage plant, just watched a tv show on that, 15
dead young children and hundreds of cases of the runs.
why Bottled water is such a big deal in the US


Is it?


Cath
  #14  
Old April 10th, 2005, 05:05 AM
AlmostBob
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look at maps of Illinois (spelling?) for sewage and fresh water plants, do
a google search for "public health sewage pollution contaminated water USA
1980-2004" and look for yourself, I just watch the shows on discovery
channel, and generally be so very glad I dont have to live in a third world
country
--
_
wrote in message
...
On Thu, 07 Apr 2005 21:33:54 GMT, "AlmostBob"
wrote:

North American drinking water is dragged out of the local river or ground
water, it is the combined urine and industrial wastes of all the upstream
cities.



Cite please.

Actually from a health & hygiene exam I did a few years ago, were you
aware that by the time treated human waste water is returned to the
ocean/rivers, it is very pure!


Australian water is rainwater collected in a dam, and so needs a lot less
chlorine than anything in North America, even Adelaide



Must have a bloody big annual rainfall to supply all ya Aussie cities
eh.

Never had anything like all those Great lakes cities, where the water

inlet
is 500m downstream of the sewage plant, just watched a tv show on that,

15
dead young children and hundreds of cases of the runs.
why Bottled water is such a big deal in the US


Is it?


Cath



  #15  
Old April 10th, 2005, 05:05 AM
AlmostBob
external usenet poster
 
Posts: n/a
Default

look at maps of Illinois (spelling?) for sewage and fresh water plants, do
a google search for "public health sewage pollution contaminated water USA
1980-2004" and look for yourself, I just watch the shows on discovery
channel, and generally be so very glad I dont have to live in a third world
country
--
_
wrote in message
...
On Thu, 07 Apr 2005 21:33:54 GMT, "AlmostBob"
wrote:

North American drinking water is dragged out of the local river or ground
water, it is the combined urine and industrial wastes of all the upstream
cities.



Cite please.

Actually from a health & hygiene exam I did a few years ago, were you
aware that by the time treated human waste water is returned to the
ocean/rivers, it is very pure!


Australian water is rainwater collected in a dam, and so needs a lot less
chlorine than anything in North America, even Adelaide



Must have a bloody big annual rainfall to supply all ya Aussie cities
eh.

Never had anything like all those Great lakes cities, where the water

inlet
is 500m downstream of the sewage plant, just watched a tv show on that,

15
dead young children and hundreds of cases of the runs.
why Bottled water is such a big deal in the US


Is it?


Cath



  #16  
Old April 10th, 2005, 11:28 AM
Frank Slootweg
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wrote:
[deleted]
Australian water is rainwater collected in a dam, and so needs a lot less
chlorine than anything in North America, even Adelaide


Must have a bloody big annual rainfall to supply all ya Aussie cities
eh.


Ever heard of Lake Argyle, etc.?

[deleted]
  #17  
Old April 10th, 2005, 11:28 AM
Frank Slootweg
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Posts: n/a
Default

wrote:
[deleted]
Australian water is rainwater collected in a dam, and so needs a lot less
chlorine than anything in North America, even Adelaide


Must have a bloody big annual rainfall to supply all ya Aussie cities
eh.


Ever heard of Lake Argyle, etc.?

[deleted]
  #18  
Old April 11th, 2005, 07:55 PM
Tom Johnstone
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AlmostBob wrote:
Adelaide is the worst city water in Aus,
and would be among the better city water supplies in the US.
Every day in the news there are 'Boil Order's for the water here, repeated
ad-nauseum (phrase chosen on purpose),
to combat some contamination or other
Since the OP asked about Sydney the answer about dams was correct.
Melbourne Sydney Brisbane Perth Adelaide and Darwin get most of their water
from dams.


Not true. Perth gets most of its water from underground:

http://www.watercorporation.com.au/w...ces_ground.cfm

and it can taste distinctly of chlorine. This depends on seasonal and
locational variation. Typically mean chlorine levels are around 0.5mg/L,
but may be as high as 3-4mg/L in any one sample.

But this level of chlorination, in combination with preventative (i.e.
un-developed, protected water catchments) and treatment-based measures
(i.e. extensive filtering and frequent testing) keeps the water supply
extremely free of harmful agents.

Tom

 




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