Bangor Water District

Laboratory Testing

 

Coliform and E. coli testing using Quanti-Tray15,422 tests were conducted on over 3600 samples in our lab which is certified for bacteria and certain chemical analyses. These samples were drawn from raw water at Floods Pond in Otis, during the treatment process at our ozone plant, and from dozens of locations through the distribution system and for other area utilities.

The District's lab uses a methodology for testing total coliforms called Colilert Quanti-tray. This EPA-approved method provides a better means of identifying coliform bacteria. Not only are total coliform results available in 24 hours, E. coli can also simultaneously be detected. The District collects and tests about 60 finished water samples per month for total coliforms and E. coli.

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Last modified: September 30, 2016