Total Coliforms and Fecal Coliforms as Microbial Indicators of Waterborne Enteric Viruses in Korean Surface Water

한국 지표수에서 수인성 장관계 바이러스에 대한 지표 미생물로서 총 대장균군과 분원성 대장균군

  • 이규철 (한국수자원공사 수자원연구원 수돗물분석연구센터) ;
  • 이희숙 (한국수자원공사 수자원연구원 수돗물분석연구센터)
  • Received : 2006.08.29
  • Accepted : 2006.11.13
  • Published : 2006.12.15

Abstract

In order to investigate whether or not Total Coliforms (T.C.) and Fecal Coliforms (F.C.) are compatible as indicator microorganisms of waterbome enteric viruses, a total of 192 surface water samples from 24 locations in Korea were tested for T.C., F.C., and human enteric viruses from July 2003 to January 2006. Altogether, the number of T.C. in each samples was ranged from $0{\sim}5.3{\times}10^4$ colony forming unit(CFU)/100mL, and the number of F.C. ranged from $0{\sim}5.0{\times}10^3CFU/100mL$ per sample. Thirty-three percent of the samples tested positive for human enteric viruses after the total culturable virus assay. The results of the statistical analysis showed that T.C. and F.C. had a significant correlation with turbidity and temperature, but the waterbome enteric viruses did not. When compared to the number of T.C. or F.C. per sample, the concentration of waterbome enteric viruses was not found to be correlated. In conclusion, it is suggested that T.C. and F.C. may not be sufficient microbial indicators of waterbome enteric viruses in the samples analyzed in this study. However, further research is needed to find other microbial indicators of waterbome enteric viruses and to develop more advanced and sensitive methods to detect waterborne enteric viruses.

Keywords

References

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