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What does IDEXX System select for? What is the Total Coliform Rule? IDEXX is used to...

What does IDEXX System select for? What is the Total Coliform Rule?

IDEXX is used to identify fecal coliform bacteria in the water, to test environmental water safety.

How much bacteria is safe to have in the water for human use. Above the threshold the water is no longer safe.

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Answer #1
  • The IDEXX system is used to identify the coliform bacteria in the water in order to test the water safety for organisms.
  • The total coliforms are not likely to cause diseases but their presence indicates that the water supply may be contaminated by more harmful organisms.The rule requires all public water systems (PWSs) to monitor for the presence of total coliforms in the distribution system at a frequency proportional to the number of people served.
  • The permissible limit to have bacteria in the water for human use is 0 colony forming units per 100 mm or less than 1 colony forming units per 100 mm or is non detectable colonies.
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