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article

Quantitative ecotoxicological impacts of sewage treatment plant effluents on plankton productivity and assimilative capacity of rivers

Bernhard Karrasch, Omer Horovitz, Helge Norf, Noa Hillel, more

Environmental Science and Pollution Research > 2019 > 26 > 23 > 24034- 24049

Sewage treatment plants are sources of inorganic and organic matter as well as contaminants for the receiving watercourses. We analyzed the ecological consequences of such effluents by following a holistic and synecological ecotoxicological approach based on quantifying extracellular enzyme activities (EEA), primary production and bacterial cell, and biomass production rates. Samples were obtained...

article

Drivers of interannual and intra‐annual variability of dissolved organic carbon concentration in the River Thames between 1884 and 2013

Valentina Noacco, Christopher J. Duffy, Thorsten Wagener, Fred Worrall, more

Hydrological Processes > 33 > 6 > 994 - 1012

The world's longest record of river water quality (River Thames—130 years) provides a unique opportunity to understand fluvial dissolved organic carbon (DOC) concentrations dynamics. Understanding riverine DOC variability through long‐term studies is crucial to capture patterns and drivers influencing sources of DOC at scales relevant for decision making. The Thames basin (United Kingdom) has undergone...

article

Exposure to solar light reduces cytotoxicity of sewage effluents to mammalian cells: Roles of reactive oxygen and nitrogen species

Ye Du, Qian-Yuan Wu, Xiao-Tong Lv, Qiu-Ping Wang, more

Water Research > 2018 > 143 > C > 570-578

Sewage effluents can contain hundreds of toxic pollutants, making them a risk to humans when involved in drinking water. It is therefore important to evaluate the cytotoxicity of sewage effluents to mammalian cells. Solar light might influence the water quality of sewage effluents after their discharge into lakes or rivers, altering their cytotoxicity. In this study, natural solar light was found...

article

Detection of PPCPs in marine organisms from contaminated coastal waters of the Saudi Red Sea

Aasim M. Ali, Helene Thorsen Rønning, Leiv K. Sydnes, Walied M. Alarif, more

Science of The Total Environment > 2018 > 621 > C > 654-662

The occurrence of PPCPs in macroalgae, barnacle and fish samples from contaminated coastal waters of the Saudi Red Sea is reported. Solvent extraction followed by solid phase extraction was applied to isolate the compounds, and their quantification was carried out by high performance liquid chromatography–tandem mass spectrometry. Atenolol, ranitidine, chlorpheniramine, DEET, and atrazine were detected...

article

Anthropogenic factors influencing invasive ascidian establishment in natural environments

Mey-Tal Gewing, Susanna López-Legentil, Noa Shenkar

Marine Environmental Research > 2017 > 131 > C > 236-242

Marine environments are constantly impacted by bioinvasions. Invasive ascidians (Chordata, Tunicata) are well-known for their ability to rapidly overgrow any available substrate. While the majority of studies have investigated the factors contributing to the successful establishment of ascidians on artificial substrates, the anthropogenic factors that contribute to such establishment on natural substrates...

article

First steps of ecological restoration in Mediterranean lagoons: Shifts in phytoplankton communities

A. Leruste, N. Malet, D. Munaron, V. Derolez, more

Estuarine, Coastal and Shelf Science > 2016 > 180 > C > 190-203

Along the French Mediterranean coast, a complex of eight lagoons underwent intensive eutrophication over four decades, mainly related to nutrient over-enrichment from continuous sewage discharges. The lagoon complex displayed a wide trophic gradient from mesotrophy to hypertrophy and primary production was dominated by phytoplankton communities. In 2005, the implementation of an 11 km offshore outfall...

article

Dynamics of Aromatase and Physiological Indexes in Male Fish as Potential Biomarkers of Anthropogenic Pollution

N. F. Guyón, M. A. Roggio, M. V. Amé, D. A. Wunderlin, more

Bulletin of Environmental Contamination and Toxicology > 2016 > 97 > 5 > 632-638

Endocrine disruption on aquatic wildlife is being increasingly reported, and the changes in gene aromatase expression are used as indicators. However, natural fluctuations in brain and gonadal aromatase expression and physiological indexes have not been previously measured in a fish species (Jenynsia multidentata) throughout a complete reproductive cycle, nor the biological effects of anthropogenic...

article

Puddles – A trigger for heterogeneous chemical influx into the unsaturated zone

Eitan Zentner, Noam Weisbrod, Zev Gerstl, Guy Gasser, more

Chemosphere > 2015 > 134 > Complete > 217-223

Spatial heterogeneity in the chemical concentration of interstitial water in the vadose zone was previously observed under apparently homogeneous surface conditions on two leveled fields sprinkler irrigated with treated sewage effluents on the phreatic Coastal Plain aquifer of Israel. This phenomenon greatly hampers the monitoring of groundwater quality. In this study we report on the presence of...

article

Removal of heavy metals and antibiotics from treated sewage effluent by bacteria

Adel A. S. Al-Gheethi, Japareng Lalung, Efaq Ali Noman, J. D. Bala, more

Clean Technologies and Environmental Policy > 2015 > 17 > 8 > 2101-2123

The increased loads of antibiotics and heavy metals in sewage lead to bacterial cells acquiring resistance to both heavy metals and antibiotics. Therefore, these bacteria can play an important role for removal of pollutants from sewage. The utilization of the microbial processes such as biosorption and enzymatic biodegradation processes has increased during the recent years. These processes are significantly...

article

Screening Concentration of E1, E2 and EE2 in Sewage Effluents and Surface Waters of the “Pampas” Region and the “Río de la Plata” Estuary (Argentina)

María Eugenia Valdés, Damián José Marino, Daniel Alberto Wunderlin, Gustavo Manuel Somoza, more

Bulletin of Environmental Contamination and Toxicology > 2015 > 94 > 1 > 29-33

Concentrations of estrone (E1), 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) were investigated for the first time in sewage effluents and receiving waters of the “Río de la Plata” estuary and neighboring areas by means of LC–MS/MS. E2 and EE2 were ubiquitous in the evaluated sewage effluent samples showing concentrations ranging between 122–631 and 65–187 ng/L, respectively. In surface waters,...

article

Assessing the effects of sewage effluents in a Mediterranean creek: fish population features and biotic indices

Blanca Figuerola, Alberto Maceda-Veiga, Adolfo Sostoa

Hydrobiologia > 2012 > 694 > 1 > 75-86

Sewage effluents are one of the main anthropogenic stressors in Mediterranean rivers. The establishment of a cause–effect relationship is hindered in natural systems by the existence of confounding factors (i.e. biotic interactions). Here we analysed the effects that anthropogenic stressors have on a mono-specific fish community (Iberian redfin barbel population, Barbus haasi) inhabiting the northern...

article

History, structure and deterioration of sewerage system in Wroclaw

M. Kutyłowska, H. Hotloś

Environment Protection Engineering > 2012 > Vol. 38, nr 3 > 145--157

The sewerage system is a vital component of all wastewater disposal structures. The architecture of buried municipal networks differs significantly depending on the considered city, local subsurface conditions and terrain configuration. History and characterization of sewerage system in Wroclaw which is gravitational with pressure elements (pumping stations, pressure sewers) has been presented. The...

article

Improved removal of estrogenic and pharmaceutical compounds in sewage effluent by full scale granular activated carbon: Impact on receiving river water

D.P. Grover, J.L. Zhou, P.E. Frickers, J.W. Readman

Journal of Hazardous Materials > 2011 > 185 > 2-3 > 1005-1011

Sewage effluents are widely recognised as the main source of emerging contaminants, such as endocrine disrupting chemicals (EDCs) and pharmaceuticals in surface waters. A full-scale granular activated carbon (GAC) plant has been installed as an advanced technology for the removal of these contaminants, in a major sewage treatment works (STW) in South-West England as part of the UK National Demonstration...

article

Wstępne oznaczenie wybranych farmaceutyków w ściekach komunalnych z oczyszczalni Kraków Płaszów

K. Sosnowska, K. Styszko, J. Gołaś

Proceedings of ECOpole > 2011 > Vol. 5, No. 2 > 601--607

Badania farmaceutyków w środowisku wodnym jako „nowo pojawiających" się zanieczyszczeń zyskują coraz większe zainteresowanie specjalistów ze względu na aktywność biologiczną tych związków i ich ekotoksyczność. Niniejsza praca dotyczy problemu obecności leków w środowisku wodnym i ich oznaczania w oczyszczonych ściekach komunalnych, które to z kolei stanowią główne źródło leków w środowisku wodnym...

article

Endocrine disrupting compounds in municipal and industrial wastewater treatment plants in Northern Greece

Paraskevi Pothitou, Dimitra Voutsa

Chemosphere > 2008 > 73 > 11 > 1716-1723

The occurrence and fate of endocrine disrupting compounds (EDCs) in a sewage treatment plant and two industrial wastewater treatment plants from textile and tannery factories were investigated. EDCs of interest are 4-nonylphenol, 4-octylphenol, their ethoxylate oligomers (mono- and di-ethoxylates of nonylphenol and octylphenol), bisphenol A, triclosan and steroid estrogens. Target compounds were determined...

article

Modulation of steroidogenesis by coastal waters and sewage effluents of Hong Kong, China, using the H295R assay

Tannia Gracia, Paul D. Jones, Eric B. Higley, Klara Hilscherova, more

Environmental Science and Pollution Research > 2008 > 15 > 4 > 332-343

Background, aim, and scope The presence of a variety of pollutants in the aquatic environment that can potentially interfere with the production of sex steroid hormones in wildlife and humans has been of increasing concern. The aim of the present study was to investigate the effects of extracts from Hong Kong marine waters, and influents and effluents from wastewater treatment plants on steroidogenesis...

article

Survey of estrogenic and androgenic disruption in Swedish coastal waters by the analysis of bile fluid from perch and biomarkers in the three-spined stickleback

Maria Pettersson, Edda Hahlbeck, Ioanna Katsiadaki, Lillemor Asplund, more

Marine Pollution Bulletin > 2007 > 54 > 12 > 1868-1880

The potential for endocrine disruption close to sewage treatment plant and pulp mill effluent discharge points along the Swedish Baltic Sea coast was explored using a dual survey strategy employing two stationary fish species. The levels of vitellogenin and spiggin as biomarkers of endocrine disruption were determined in juvenile three-spined sticklebacks (Gasterosteus aculeatus L.) together with...

article

Land inputs of trace metals, major elements, particulate organic carbon and suspended solids to an industrial coastal bay of the NE Atlantic

Antonio Cobelo-Garcı́a, Ricardo Prego, Ana Labandeira

Water Research > 2004 > 38 > 7 > 1753-1764

Rivers, streams and municipal and industrial effluents flowing into the Ferrol Ria (NW Spain) were analyzed for dissolved and particulate trace elements (Cd, Cu, Pb, Zn), particulate major elements (Al, Fe, Si), particulate organic carbon and nitrogen (POC and PON), and total suspended solids. Trace metal clean techniques were applied. Mean annual fluxes of these components were calculated. Dissolved...

article

Method for EDTA speciation determination: application to sewage treatment plant effluents

Water Research > 1998 > 32 > 12 > 3615-3620

This paper presents an HPLC method allowing the quantification of EDTA speciation, specifically the Fe(III)EDTA species, which is the only one considered to undergo significant degradation in the environment via photoreduction. The method relies on the exchange kinetics of metals with EDTA. Preliminary results were obtained by applying the method to the study of sewage treatment plants. We measured...

article

F-specific bacteriophage as an indicator of human viruses in natural waters and sewage effluents in Northern New Zealand

Gillian D. Lewis

Water Science and Technology > 1995 > 31 > 5-6 > 231-234

To assess the F-specific bacteriophage as an indicator of pathogenic viruses, a comparative study has been made of the occurrence of F-phage and human enteroviruses in sewage wastes and the marine environment. Although F-phage seemed in several respects to match pathogen behaviour, its low abundance in bathing beach water, uncertainty as to its source and other detection irregularities make its use...

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