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Water
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Contaminants Monitoring in Wastewater
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Contaminants Monitoring in Wastewater

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Quality and Contamination".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 3174

Special Issue Editors

Dr. Femi Francis Oloye

E-Mail Website
Guest Editor
Global Institute for Water Security, University of Saskatchewan, Saskatoon, SK, Canada
Interests: wastewater surveillance; catalysis; toxicology; pollution monitoring and remediation; fate and behaviour of chemicals; organic chemistry and physical chemistry
Dr. Mohsen Asadi

E-Mail Website
Guest Editor
Civil Engineering College, University of Saskatchewan, Saskatoon, SK, Canada
Interests: wastewater; heavy metals; urban wetaland ecosystems; greenhouse gas

Special Issue Information

Dear Colleagues,

Studying wastewater is a vital aspect of comprehending public health concerns. It provides invaluable insight into the workings of the body systems of residents in a given community. Monitoring wastewater is not new, but much information that could be derived from its study has yet to be fully exploited. Recently, wastewater was instrumental in understanding the trend of COVID-19 in a given community. Beyond COVID-19 viral loads, other pathogens, such as influenza, RSV, polio, etc., have been successfully monitored. Chemicals such as drugs of abuse, personal care products, heavy metals, hydrocarbon, per- and polyfluroakyl substances (PFASs), pesticides, sucralose, sulfamethoxazole, carbamazepine, etc., have been monitored in wastewater. Antibiotic-resistant bacteria and antibiotic-resistant genes have also been monitored in wastewater. While much is already known, interpreting wastewater data and its implications for decision making and public health remains a subject of inquiry. To ensure public health and safety, it is crucial to address the significance of contaminants in wastewater, effective monitoring techniques, and data interpretation. This Special Issue addresses the importance of contaminants in wastewater and how they could be monitored efficiently considering the matrix effect and interpretations of wastewater data. Manuscripts on the fate and behaviour of contaminants in wastewater and the wastewater contamination index are welcome.

Dr. Femi Francis Oloye
Dr. Mohsen Asadi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • wastewater surveillance
  • wastewater-based epidemiology
  • drugs of abuse
  • public health concerns
  • antibiotic-resistant bacteria
  • effective reproduction number
  • COVID-19 endemic
  • contaminants
  • population indicators
  • chemical tracers

Published Papers (3 papers)

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Research

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12 pages, 2255 KiB  
Article
COVID-19 Pandemic Modulates the Environmental Contamination Level of Enteric Bacteria from WWTPs
by Alina Roxana Banciu, Luoana Florentina Pascu, Catalina Stoica, Stefania Gheorghe, Irina Lucaciu, Laura Feodorov and Mihai Nita-Lazar
Water 2024, 16(8), 1092; https://doi.org/10.3390/w16081092 - 11 Apr 2024
Viewed by 495
Abstract
The COVID-19 pandemic was a challenge for the whole world, and it had major secondary effects on humans and environmental health. The viral infection induced, in many situations, secondary bacterial infections, especially enteric infections, by destabilizing the balance of the gastrointestinal microbiota. The [...] Read more.
The COVID-19 pandemic was a challenge for the whole world, and it had major secondary effects on humans and environmental health. The viral infection induced, in many situations, secondary bacterial infections, especially enteric infections, by destabilizing the balance of the gastrointestinal microbiota. The large-scale use of antibiotics and biocides for both curative and preventive purposes has resulted in an increase in bacterial resistance, and at the same time, the possibility of pathogenic microorganism multiplication and their dissemination to natural environments. Wastewater is the main vector of fecal microorganisms that favors their dissemination into natural aquatic ecosystems. The present paper aims to analyze the effect of the COVID-19 pandemic on the microbiological quality of wastewater from sewage treatment plants in Romania and its impact on receiving rivers. In order to highlight different and important areas in Romania, three cities from the east, center and west were selected for a microbiological evaluation of their WWTP influents and effluents from the pre-COVID-19 period and during the COVID-19 pandemic peak period, when the COVID-19 pandemic had a direct impact on WWTP microbial compositions. Our study shows that a higher level of contamination with fecal bacteria is linked to a higher COVID-19 incidence. The increased usage of pharmaceutical compounds, in turn, increases the number of resistant bacteria reaching the environment via WWTP effluents. Full article
(This article belongs to the Special Issue Contaminants Monitoring in Wastewater)
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11 pages, 1599 KiB  
Article
The COVID-19 Pandemic Impact of Hospital Wastewater on Aquatic Systems in Bucharest
by Alina Roxana Banciu, Luoana Florentina Pascu, Dragos Mihai Radulescu, Catalina Stoica, Stefania Gheorghe, Irina Lucaciu, Florin Valentin Ciobotaru, Laura Novac, Catalin Manea and Mihai Nita-Lazar
Water 2024, 16(2), 245; https://doi.org/10.3390/w16020245 - 10 Jan 2024
Cited by 1 | Viewed by 994
Abstract
The COVID-19 pandemic reshaped the global response to a pandemic, including the way of using chemical compounds such as disinfectants and antibiotics. The large-scale use of antibiotics and disinfectants during the COVID-19 pandemic caused environmental pressure not only due to the chemicals themselves [...] Read more.
The COVID-19 pandemic reshaped the global response to a pandemic, including the way of using chemical compounds such as disinfectants and antibiotics. The large-scale use of antibiotics and disinfectants during the COVID-19 pandemic caused environmental pressure not only due to the chemicals themselves but also due to their effect on bacterial communities, inducing resistance to chemicals and changing the population structure of bacterial communities, especially in aquatic environments. The dissemination of fecal bacteria, including antibiotic-resistant bacteria, and pathogens from hospital wastewater into the environment, via wastewater treatment plants (WWTPs), triggered the premises of a major public health issue. Rivers flowing through cities are natural streams for WWTP discharges, and they directly bear the impact of anthropic activities, disseminating domestic and industrial pollution over large areas. The aim of the present study was to assess the microbiological bacterial structure of municipal and hospital wastewaters as well as their impact on natural streams, covering the pre-to post-COVID-19 pandemic period of time. The results indicated that the COVID-19 pandemic had a direct impact on hospital wastewater microbiological quality and the environment due to an excessive use of antibiotics and disinfectants. In addition, the constant presence of antibacterial compounds increased the rate of bacterial selection and induced population structural changes in the bacterial communities from aquatic systems. Full article
(This article belongs to the Special Issue Contaminants Monitoring in Wastewater)
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Other

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8 pages, 385 KiB  
Brief Report
Rapid Spread of Omicron Sub-Lineage as Evidence by Wastewater Surveillance
by Femi F. Oloye, Mohsen Asadi, Warsame Yusuf, David Champredon, Xia Pu, Oluwabunmi P. Femi-Oloye, Chantel De Lange, Seba El-Baroudy, Charles Ayodeji Osunla, Yuwei Xie, Jenna Cantin, Kerry N. McPhedran, Markus Brinkmann, Mark R. Servos, Paul D. Jones and John P. Giesy
Water 2024, 16(2), 318; https://doi.org/10.3390/w16020318 - 18 Jan 2024
Viewed by 959
Abstract
The search for better tools for interpreting and understanding wastewater surveillance has continued since the beginning of the coronavirus disease 2019 (COVID-19) pandemic. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has continued to mutate, thus complicating the interpretation of surveillance results. We assessed [...] Read more.
The search for better tools for interpreting and understanding wastewater surveillance has continued since the beginning of the coronavirus disease 2019 (COVID-19) pandemic. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has continued to mutate, thus complicating the interpretation of surveillance results. We assessed the Omicron variants (BA.1, BA.2, and BA.5) associated with wastewater-derived SARS-CoV-2 RNA trends by estimating the effective reproduction number (Reff) using an epidemic model that integrates explicitly the SARS-CoV-2 N2 gene concentration detected in wastewater through rt-qPCR quantitative analysis. The model inferred COVID-19 cases based on wastewater data and compared them with the ones reported by clinical surveillance. The variant of the SARS-CoV-2 associated with the wastewater-derived viral RNA was monitored through wastewater whole-genome sequencing. Three major waves between January and September 2022 were associated with the Omicron subvariants (BA.1, BA.2, and BA.5). This work showed that disease trends can be monitored using estimates of the effective reproduction number which is simple and easy to understand. Full article
(This article belongs to the Special Issue Contaminants Monitoring in Wastewater)
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