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  1. Coliform bacteria - Wikipedia

    Coliform bacteria are defined as either motile or non-motile Gram-negative non- spore forming bacilli that possess β-galactosidase to produce acids and gases under their optimal growth …

  2. What to Do about Coliform Bacteria in Well Water

    Coliform bacteria are a large group of many kinds of bacteria, including fecal coliform bacteria, which occur naturally in the intestines of warm-blooded animals. The group also includes non …

  3. Coliform Bacteria - Penn State Extension

    Sep 8, 2025 · Most types of coliform bacteria are harmless to humans, but some can cause mild illnesses, and a few can lead to serious waterborne diseases. Coliform bacteria are often …

  4. Coliform bacteria | Characteristics & Examples | Britannica

    Coliform bacteria, any of various rod-shaped microorganisms that occur in the intestinal tracts of animals, including humans, and that are widespread in the environment.

  5. Understanding Coliform Bacteria: Traits, Spread, and Prevention

    Apr 29, 2025 · Explore the nature of coliform bacteria, their transmission, common misconceptions, and effective prevention strategies for better hygiene.

  6. Coliform Bacteria in Drinking Water - Washington State …

    Coliform bacteria are organisms present in the environment and in the feces of all warm-blooded animals and humans. Coliform bacteria will not likely cause illness. However, their presence in …

  7. Coliform Bacteria- Characteristics, Examples, Identification

    May 25, 2022 · Coliform bacteria are a group of Gram-negative, aerobic, and facultative anaerobic rod-shaped bacteria containing the enzyme – galactosidase that is capable of fermenting …

  8. Coliform Bacteria in Drinking Water Supplies

    Total coliform counts give a general indication of the sanitary condition of a water supply. Total coliforms include bacteria that are found in the soil, in water that has been influenced by …

  9. Coliform - Ask Microbiology

    Coliform bacteria are Gram-negative, rod-shaped bacteria that are aerobic or facultatively anaerobic and ferment lactose with the production of acid and gas within 48 hours at about 35 …

  10. Coliform Bacteria - MN Dept. of Health

    Dec 8, 2022 · A group of closely related bacteria, the total coliform, has been selected as an indicator of harmful organisms in drinking water. Total coliform (TC) bacteria are common in …