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  1. Germs That Can Contaminate Tap Water | Drinking Water | CDC

    Aug 2, 2024 · Find information below about the germs that most often contaminate tap water and cause disease, and how to remove or control them. Boiling is the best way to kill germs in water.

  2. Water Microbiology. Bacterial Pathogens and Water - PMC

    Water is essential to life, but many people do not have access to clean and safe drinking water and many die of waterborne bacterial infections.

  3. Bacteria and viruses commonly found in drinking water

    Jul 31, 2014 · Various types of bacteria/viruses are categorized as pathogens, disease-causing organisms that can be found in pretreated and/or inadequately treated water. Here is a list of …

  4. Bacteria, Viruses, and Parasites in Drinking Water - MN Dept. of …

    Sep 25, 2024 · Drinking water with disease-causing bacteria, viruses, or parasites (collectively called pathogens) can make you sick. It is not practical to test drinking water for every type of …

  5. Bacteria and E. Coli in Water | U.S. Geological Survey

    Jun 5, 2018 · Escherichia coli or E. coli is a type fecal coliform bacteria that is commonly found in the intestines of animals and humans. E. coli in water is a strong indicator of sewage or animal …

  6. While most coliform bacteria are harmless, their presence suggests other disease-causing organisms, such as harmful bacteria, viruses, or parasites, may also be in the water.

  7. Microbes in Water: Types, Risks, and Their Role

    Jul 23, 2025 · Water environments host diverse microscopic life, broadly categorized into several groups. Bacteria are single-celled organisms, often rod-shaped or spherical, and include …

  8. Microorganisms in Water: Their Impact and Importance

    Dec 5, 2023 · Bacteria are perhaps the most important and abundant microorganisms in water systems. These single-celled organisms are incredibly adaptable and can survive in almost …

  9. Bacteria – Drinking Water and Human Health - Extension

    Aug 23, 2019 · Surface waters typically contain bacteria. Groundwater should be free of those bacteria that arise from animal sources. Proper well design and construction should protect …

  10. Drinking Water: Bacteria (G1826) - Nebraska Extension Publications

    Learn how contamination occurs, how to have water tested, and which treatment to use. Viruses or other microbial organisms are not addressed. Testing drinking water for fecal bacteria or E. …