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  2. Iron-oxidizing bacteria - Wikipedia

    en.wikipedia.org/wiki/Iron-oxidizing_bacteria

    The dramatic effects of iron bacteria are seen in surface waters as brown slimy masses on stream bottoms and lakeshores or as an oily sheen upon the water. More serious problems occur when bacteria build up in well systems. Iron bacteria in wells do not cause health problems, but they can reduce well yields by clogging screens and pipes.

  3. Walkerton E. coli outbreak - Wikipedia

    en.wikipedia.org/wiki/Walkerton_E._coli_outbreak

    The Walkerton E. coli outbreak was the result of a contamination of the drinking water supply of Walkerton, Ontario, Canada, with E. coli and Campylobacter jejuni bacteria. . The water supply was contaminated as a result of improper water treatment following heavy rainfall in late April and early May 2000, that had drawn bacteria from the manure of nearby cattle used to fertilize crops into ...

  4. Bacteriological water analysis - Wikipedia

    en.wikipedia.org/wiki/Bacteriological_water_analysis

    Bacteriological water analysis is a method of analysing water to estimate the numbers of bacteria present and, if needed, to find out what sort of bacteria they are. It represents one aspect of water quality. It is a microbiological analytical procedure which uses samples of water and from these samples determines the concentration of bacteria ...

  5. What are ‘forever chemicals'? What to know about PFAS ... - AOL

    www.aol.com/forever-chemicals-know-pfas-private...

    Regulations governing water quality testing in private wells vary from state to state. The Indiana State Department of Health recommends bacteria and nitrate testing every five years and urges ...

  6. Waterborne disease - Wikipedia

    en.wikipedia.org/wiki/Waterborne_disease

    Water contaminated by the animal urine carrying the bacteria Begins with flu-like symptoms then resolves. The second phase then occurs involving meningitis, liver damage (causes jaundice), and kidney failure: Otitis Externa (swimmer's ear) Caused by a number of bacterial and fungal species. Swimming in water contaminated by the responsible ...

  7. Operation Cast Thy Bread - Wikipedia

    en.wikipedia.org/wiki/Operation_Cast_Thy_Bread

    The Haganah used typhoid bacteria to contaminate drinking water wells in violation of the 1925 Geneva Protocol. Its objective was to frighten and prevent Palestinian Arabs from returning to villages captured by the Yishuv and make conditions difficult for Arab armies attempting to retake territories. The operation resulted in severe illness ...

  8. Sulfur water - Wikipedia

    en.wikipedia.org/wiki/Sulfur_water

    The condition indicates a high level of sulfate-reducing bacteria in the water supply. This may be due to the use of well water, poorly treated city water, or water heater contamination. Various methods exist to treat sulfur in water. These methods include Filtration of the water using a carbon filter (useful for very small amounts of hydrogen ...

  9. Well poisoning - Wikipedia

    en.wikipedia.org/wiki/Well_poisoning

    Well poisoning is the act of ... Israel poisoned the wells and water supplies of certain Palestinian ... the existence of viruses and bacteria was unknown in medieval ...

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