Nitrite Production by Nitrifying Bacteria in Urban Groundwater Used in a Chlorinated Public Bath System in Japan

Yu Takahashi, Kento Ishii, Yukie Kikkawa, Kayo Horikiri, Satoshi Tsuneda

Research output: Contribution to journalArticlepeer-review

Abstract

In contrast to pathogens, the effects of environmental microbes on the water quality in baths have not yet been examined in detail. We herein focused on a public bath in which groundwater was pumped up as bath water and disinfected by chlorination. Ammonia in groundwater is oxidized to nitrite, thereby reducing residual chlorine. A batch-culture test and bacterial community ana-lysis revealed that ammonia-oxidizing bacteria accumulated nitrite and had higher resistance to chlorination than nitrite-oxidizing bacteria. These results demonstrate that the difference in resistance to chlorination between ammonia-oxidizing and nitrite-oxidizing bacteria may lead to the accumulation of nitrite in baths using groundwater.

Original languageEnglish
JournalMicrobes and Environments
Volume37
Issue number4
DOIs
Publication statusPublished - 2022

Keywords

  • ammonia-oxidizing bacteria
  • chlorination
  • nitrification
  • nitrite-oxidizing bacteria
  • public bath

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Soil Science
  • Plant Science

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