Detection of Enteric Bacteria in Selbe River, Mongolia, with Infection Risk Estimation of the Selbe River, Ulaanbaatar

DOI

10.2991/978-94-6463-928-5_23How to use a DOI?

Keywords

indicator bacteria; Salmonella spp.; Shigella spp.; E. coli; Selbe river; Ulaanbaatar Mongolia

Abstract

The indicator bacteria and pathogenic bacteria Salmonella spp. and Shigella spp. were tested in the laboratory with two different methods, the Petri-dish method, and the IDEXX tray method. The findings of this study reveal concerning levels of bacterial pollution in the Selbe River, illustrating the serious impact of unplanned urban growth along its banks. Laboratory tests using both the Colilert-18 IDEXX Tray and agar plate methods showed high levels of bacteria, with some samples even exceeding the limits of the tests. The average bacterial concentrations detected were 23.55 CFU/ml for E. coli, 2.1 CFU/ml for Salmonella spp., and 225.7 CFU/ml for Shigella spp. all of which are significant indicators of contamination. The presence of these bacteria, particularly in such high concentrations, suggests fecal contamination and highlights the public health risks for people living nearby and using the river. This pollution is likely tied to untreated waste, poor sanitation facilities in densely populated ger areas, and urban runoff that worsens with seasonal rains. These results emphasize the need for better waste management and ongoing water quality monitoring to help restore the river’s health. Improving sanitation infrastructure and implementing stronger urban planning along the river could reduce pollution and make the water safer for residents and the environment. This study reinforces the importance of taking immediate steps to protect the Selbe River, which ultimately supports the larger Tuul River Basin.

Copyright

© 2025 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Bodigerel Lkhagvasuren
AU  - Enkhzul Enkhsaikhan
AU  - Usukhbayar Puntsagsuren
AU  - Ariunaa Saraadan
AU  - Ariuntuya Tserendorj
PY  - 2025
DA  - 2025/12/25
TI  - Detection of Enteric Bacteria in Selbe River, Mongolia, with Infection Risk Estimation of the Selbe River, Ulaanbaatar
BT  - Proceedings of the 3rd International Conference Resources and Technology (RESAT 2025)
PB  - Atlantis Press
SP  - 317
EP  - 331
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-928-5_23
DO  - 10.2991/978-94-6463-928-5_23
ID  - Lkhagvasuren2025
ER  -