NAC445A.65765. “Coliform bacteria” defined.  


Latest version.
  • “Coliform bacteria” means a group of bacteria that inhabits the intestines of humans and animals, and is occasionally found in other habitats, including:

         1. All aerobic and facultative anaerobic, Gram-negative bacilli that do not form spores and which cause the production of gas through the fermentation of lactose; and

         2. All bacteria that produce a dark purplish-green colony with a metallic sheen when the membrane-filter technique is used for the identification of coliform.

     (Added to NAC by Bd. of Health, eff. 2-20-97)