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  1. Coliform Bacteria - Penn State Extension

    Sep 8, 2025 · Coliform bacteria include a large group of many types of bacteria that occur throughout the environment. They are common in soil and surface water and may even occur on your skin. …

  2. Coliform in Drinking Water | What is Coliform & How to Remove it

    Coliform is a bacteria that is present in nature and occurs in all human and animal waste. The bacteria itself is not considered harmful, however the coliform bacteria in drinking water can indicate a …

  3. What Is Coliform in Well Water and Is It Dangerous?

    3 days ago · The presence of coliform bacteria in a private well signals that the water system’s integrity may be compromised, indicating a potential pathway for contamination. While coliforms are often …

  4. 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 …

  5. 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 …

  6. How To Get Rid of Coliform in Well Water - Culligan

    Jul 18, 2025 · Coliform bacteria are a group of microorganisms commonly found in the environment that live in soil and surface water. Their presence in a water sample typically signals that a pathway …

  7. 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.

  8. 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 …

  9. What Is Coliform Bacteria? - Water Well Owners

    Aug 6, 2025 · Coliform bacteria are a group of closely related bacteria that are used as a microbial indicator of water quality and the cleanliness of various surfaces and substances. While not all …

  10. Sep 21, 2023 · Coliform bacteria are not considered a normal inhabitant of groundwater or disinfected surface water. Their presence suggests that there has been a breach, failure, or other change in the …