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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 temperature of …

  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-fecal coliform …

  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 referred to …

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

    Apr 29, 2025 · Coliform bacteria are a diverse group of Gram-negative, rod-shaped bacteria that thrive in environments such as soil, water, and vegetation. They belong to the Enterobacteriaceae family, …

  5. 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.

  6. 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 surface water, and in …

  7. Coliform Bacteria in Drinking Water - Washington State Department …

    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 …

  8. 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 lactose …

  9. 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 the environment …

  10. Coliform are a family of bacteria common in soils, plants and animals. You can come in contact with these bacteria by eating or drinking (ingesting) soils on plants and in water sources such as ponds, …