ArticleEnvironmental science and pollution research international2016
Evaluation of the microbiological quality of reclaimed water produced from a lagooning system.
Article in Environmental science and pollution research international, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 2 of them syntheses that pooled it.
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13 citing papers in PubMed, 2 syntheses or guidelines pooled it, 34 citations in OpenAlex.
- Global prevalence of potentially pathogenic free-living amoebae in sewage and sewage-related environments-systematic review with meta-analysis.Parasitology research · 2024Pooled it
- Hepatitis E Virus in the Iberian Peninsula: A Systematic Review.Food and environmental virology · 2023Pooled it
- Recent advances in aqueous virus removal technologies.Chemosphere · 2022Review
- Molecular Diagnostic Tools Applied for Assessing Microbial Water Quality.International journal of environmental research and public health · 2022Review
- The Prevalence ofPathogens (Basel, Switzerland) · 2022Review
- Extracellular amoebal-vesicles: potential transmission vehicles for respiratory viruses.NPJ biofilms and microbiomes · 2021Article
- Microbiological assessment of an urban lagoon system in the coastal zone of Rio de Janeiro, Brazil.Environmental science and pollution research international · 2021Article
- Agricultural Detection of Norovirus and Hepatitis A Using Fecal Indicators: A Systematic Review.International journal of microbiology · 2021Review
- Occurrence, fates and potential treatment approaches for removal of viruses from wastewater: A review with emphasis on SARS-CoV-2.Journal of environmental chemical engineering · 2020Review
- An Update on the GenusMicroorganisms · 2020Review
- Molecular detection and genotypic characterization of enteric adenoviruses in a hospital wastewater.Environmental science and pollution research international · 2018Article
- Reassessment of the Enteropathogenicity of MesophilicFrontiers in microbiology · 2016Article
- The Use of Two Culturing Methods in Parallel Reveals a High Prevalence and Diversity ofBioMed research international · 2016Article
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Authors and funding
11 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The use of lagooning as a complementary natural method of treating secondary effluents of wastewater treatment plants has been employed as an affordable and easy means of producing reclaimed water. However, using reclaimed water for some purposes, for example, for food irrigation, presents some risks if the effluents contain microbial pathogens. Classical bacterial indicators that are used to assess faecal contamination in water do not always properly indicate the presence of bacterial or viral pathogens. In the current study, the presence of faecal indicator bacteria (FIB), heterotrophic bacterial counts (HBC), pathogens and opportunistic pathogens, such as Legionella spp., Aeromonas spp., Arcobacter spp., free-living amoeba (FLA), several viral indicators (human adenovirus and polyomavirus JC) and viral pathogens (noroviruses and hepatitis E virus) were analysed for 1 year in inlet and outlet water to assess the removal efficiency of a lagooning system. We observed 2.58 (1.17-4.59) and 1.65 (0.15-3.14) log reductions in Escherichia coli (EC) and intestinal enterococci (IE), respectively, between the inlet and outlet samples. Genomic copies of the viruses were log reduced by 1.18 (0.24-2.93), 0.64 (0.12-1.97), 0.45 (0.04-2.54) and 0.72 (0.22-2.50) for human adenovirus (HAdV), JC polyomavirus (JCPyV) and human noroviruses (NoV GI and GII), respectively. No regrowth of opportunistic pathogens was observed within the system. FLA, detected in all samples, did not show a clear trend. The reduction of faecal pathogens was irregular with 6 out of 12 samples and 4 out of 12 samples exceeding the EC and IE values, specified in the Spanish legislation for reclaimed water (RD 1620/2007). This data evidences that there is a need for more studies to evaluate the removal mechanisms of lagooning systems in order to optimize pathogen reduction. Moreover, surveillance of water used to irrigate raw edible vegetables should be conducted to ensure the fulfilment of the microbial requirements for the production of safe reclaimed water.
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