Many people interested in the SWS project have
questions about chlorine (in the liquid form most
often used in the SWS projects the chemical name of
the solution is ‘sodium hypochlorite’).
These fact sheets are intended to answer the most
commonly asked chlorination questions.
In
this table you can find information about the
effectiveness of chlorine in inactivating bacteria,
viruses, and protozoa.
One common concern with chlorination is about potential
cancer-causing effects of drinking chlorinated water
long-term. Information about disinfection by-products
and the Safe Water System can be found in this 1-page
summary 
PDF 11KB, or this longer, more detailed 6-page
summary
PDF 29KB.
The chemistry of chlorination, and common ways
to test for residual chlorine in drinking water
in developing countries are described in this
document
PDF 231KB.
We look forward to providing more information through
this web site, and if you have any requests for fact
sheets please feel free to contact us at safewater@cdc.gov.
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