Frequent Questions

8. How are pathogens and indicators removed from my drinking water?

Pathogen or IndicatorTreatment methods proven to be effective for removal or inactivation
Cryptosporidium Disinfection with ultraviolet light or ozone and/or filtration.
Giardia lamblia Disinfection and/or filtration.
Legionella Disinfection and/or filtration.
Viruses (enteric) Disinfection and/or filtration.
Total coliforms, fecal Coliform, E. coli (NOT including E. coli O157:H7) and Fecal Indicators (Coliphage or Enterococci) Disinfection with chlorine, ultra-violet light or ozone, all of which act to kill or inactivate E. coli. Systems using surface water sources are required to disinfect to ensure that bacteria are inactivated.
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