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Impact of sewage treatment plants and combined sewer overflow basins on the microbiological quality of surface water.
Water Sci Technol. 2006; 54(3):95-9.WS

Abstract

In a small river catchment, microbiological quality of different sewage treatment plants under regular conditions and in case of heavy rainfall, when combined sewage overflow basins (CSOs) are activated, was examined regarding microbial indicators and pathogens. In the watercourse, no self-cleaning effects could be observed. Small compact treatment plants discharge treated wastewater with a poor microbiological quality compared to river water quality and the quality of treated wastewater of larger plants. During storm water events, concentrations of microorganisms downstream of sewer overflows were approximately two logs higher than during dry weather conditions. Concentrations of parasites decreased slowly during the overflow, in parallel to filterable matter and particle-bound substances. The annual load of microorganisms originating from CSOs significantly exceeds the load from treated effluent of the sewage plants. Thus, an improved hygienic quality of the water course could be achieved by preventing overflows and by enhancing sewage treatment plants.

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Authors+Show Affiliations

Rechenburg A
Institute for Hygiene and Public Health, University of Bonn, Sigmund-Freud-Str. 25, D-53105 Bonn. andrea.rechenburg@ukb.uni-bonn.de
Koch Ch
No affiliation info available
Classen T
No affiliation info available
Kistemann T
No affiliation info available

MeSH

AnimalsCryptosporidiumGiardiaOocystsSewageWater Microbiology

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17037139

Citation

Rechenburg, A, et al. "Impact of Sewage Treatment Plants and Combined Sewer Overflow Basins On the Microbiological Quality of Surface Water." Water Science and Technology : a Journal of the International Association On Water Pollution Research, vol. 54, no. 3, 2006, pp. 95-9.
Rechenburg A, Koch Ch, Classen T, et al. Impact of sewage treatment plants and combined sewer overflow basins on the microbiological quality of surface water. Water Sci Technol. 2006;54(3):95-9.
Rechenburg, A., Koch, C. h., Classen, T., & Kistemann, T. (2006). Impact of sewage treatment plants and combined sewer overflow basins on the microbiological quality of surface water. Water Science and Technology : a Journal of the International Association On Water Pollution Research, 54(3), 95-9.
Rechenburg A, et al. Impact of Sewage Treatment Plants and Combined Sewer Overflow Basins On the Microbiological Quality of Surface Water. Water Sci Technol. 2006;54(3):95-9. PubMed PMID: 17037139.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Impact of sewage treatment plants and combined sewer overflow basins on the microbiological quality of surface water. AU - Rechenburg,A, AU - Koch,Ch, AU - Classen,Th, AU - Kistemann,Th, PY - 2006/10/14/pubmed PY - 2006/12/21/medline PY - 2006/10/14/entrez SP - 95 EP - 9 JF - Water science and technology : a journal of the International Association on Water Pollution Research JO - Water Sci Technol VL - 54 IS - 3 N2 - In a small river catchment, microbiological quality of different sewage treatment plants under regular conditions and in case of heavy rainfall, when combined sewage overflow basins (CSOs) are activated, was examined regarding microbial indicators and pathogens. In the watercourse, no self-cleaning effects could be observed. Small compact treatment plants discharge treated wastewater with a poor microbiological quality compared to river water quality and the quality of treated wastewater of larger plants. During storm water events, concentrations of microorganisms downstream of sewer overflows were approximately two logs higher than during dry weather conditions. Concentrations of parasites decreased slowly during the overflow, in parallel to filterable matter and particle-bound substances. The annual load of microorganisms originating from CSOs significantly exceeds the load from treated effluent of the sewage plants. Thus, an improved hygienic quality of the water course could be achieved by preventing overflows and by enhancing sewage treatment plants. SN - 0273-1223 UR - https://www.unboundmedicine.com/medline/citation/17037139/Impact_of_sewage_treatment_plants_and_combined_sewer_overflow_basins_on_the_microbiological_quality_of_surface_water_ L2 - https://iwaponline.com/wst/article-lookup/doi/10.2166/wst.2006.454 DB - PRIME DP - Unbound Medicine ER -