Rod-shaped bacteria usually found in the intestinal tracts of animals, including humans. Coliform bacteria do not require but can use oxygen, and they do not form spores. They produce acid and gas from the fermentation of lactose sugar. Their presence in the water supply indicates recent contamination by human or animal feces. Chlorination is the most common preventive water treatment.
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Evaluating the new coliform rule. (excerpt from Presence-Absence Coliform Monitoring Has Statistical Limitations) (Waterworks Digest)
Jul 01, 1992; The 1986 amendments to the Safe Drinking Water Act required the EPA to reevaluate the existing total Coliform rule. A new...