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coliform bacteria

British  
/ ˈkɒlɪfɔːm /

plural noun

  1. a large group of bacteria inhabiting the intestinal tract of humans and animals that may cause disease and whose presence in water is an indicator of faecal pollution

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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However, testing showed that among the 11 water sources examined, bottled water was the most likely to contain coliform bacteria, which signal fecal contamination.

From Science Daily Jan. 23, 2026

Many of the violations were for unsafe levels of arsenic or coliform bacteria.

From Los Angeles Times Sep. 15, 2025

In 2009, high levels of fecal coliform, bacteria like E. coli associated with human and animal waste, led the state to halt shellfish harvests on the upper third of the river.

From Salon Mar. 31, 2023

No one ultimately reported getting sick, although the new report states that the water collected at one hydrant on the day the alert went out tested positive for coliform bacteria.

From Washington Post Aug. 16, 2018

The study said positive tests for total coliform bacteria were comparable, inching up 3 percent.

From Washington Times Sep. 3, 2016

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