Contaminated water
Mid Day reports (I am reproducing the article in full because it's important):
If you have an answer to that, please leave it in the comments of this post. Any links you could provide would be useful as well.
A test conducted on 84 water samples from different parts of the city on July 29 at the BMC laboratory at Dadar (W) revealed that 58 samples in the lot was unfit for human consumption. [Sic.] Some samples were found to be contaminated by dangerous Ecoli bacteria.Well, here's a question for the readers: would you know what one can do (besides buying mineral water, which not all of us can afford) to make sure that the water we drink is safe? Will boiling it suffice? Will filtering it through Aquaguard be sufficient? What about Zero B?
Said hydraulic engineer T V Shah, “Underground water tanks get contaminated during the rains when dirty water enters the tanks during flooding. The tanks should be chlorinated thoroughly.”
Adds a source within the BMC, “At some places sewage water was found to have leaked into drinking water tanks, making the water absolutely unfit for drinking.”
If you have an answer to that, please leave it in the comments of this post. Any links you could provide would be useful as well.
posted by amit varma at 12:34 am
6 Comments:
Alum is often used to purify water, but I doubt whether it is good as a disinfectant as well. It is mainly used to seperate dust and suspended particles.
-V
Thanks Sunil, useful stuff.
DGT, feel free to send us anything of interest to cloudburst AT googlegroups DOT com. Thanks.
Thanks, V.
Yeah, DGTendrils,
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peter
0.5 micron filters work to remove pathogens but they are costly, tend to plug and care must be taken not to re-contaminate the product water.
After spending over 40 years in the water treatment business I suggest boiling as the best emergency treatment method to assure removial of pathogens.
Here is a link to the state of Alaska's notice on emergency treatment: :http://www.dec.state.ak.us/eh/dw/dwmain/Treat.htm
Sodis is a very effective technique (super simple, all you need is a plastic bottle of water), that we actually sent to partner groups after the tsunami...
Here's a link to simple manuals on Sodis water treatment.
Don't know though how much sun you're getting in Mumbai. If there isn't much sun, this won't work too well.
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