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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

As of Thursday, the board has lifted the advisory in the city’s West Bank, while the East Bank’s was extended, with two out of 90 water samples testing positive for coliform bacteria.

From Salon Aug. 8, 2024

Due to runoff from agricultural fields and homes, “the fecal coliform bacteria count goes up,” Finger said.

From Los Angeles Times Jan. 21, 2023

Scientists from Virginia Tech have told her that the water tests positive for E. coli and coliform bacteria, but Maynard said she would rather boil it than drink her tap water.

From Washington Post Apr. 16, 2019

And 43 percent tested positive for total coliform bacteria, with 11 percent positive for E. coli and 19 percent, enterococci.

From Washington Times Sep. 3, 2016

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