The effect of the time of sampling on the compliance of bathing water in NW England with the EU Directive on bathing water quality

1999 ◽  
Vol 5 (1) ◽  
pp. 51-58 ◽  
Author(s):  
Obiri-Danso Kwasi ◽  
Jones Keith ◽  
Jones Keith ◽  
Paul Nigel
Keyword(s):  
Water Quality ◽  
Eu Directive ◽  
Bathing Water ◽  
Bathing Water Quality ◽  
The Eu

WATER QUALITY OF THE BATHING WATER IN THE EUROPEAN UNION AND IN RUSSIA

2020 ◽  
pp. 12-16
Author(s):  
I.V. Glazunova ◽  
◽  
N.P. Karpenko ◽  
A.M. Bakshtanin
Keyword(s):  
Water Quality ◽  
European Union ◽  
Water Bodies ◽  
Practical Significance ◽  
The European Union ◽  
Water Quality Control ◽  
Bathing Water ◽  
Bathing Water Quality ◽  
The Eu

The relevance of the article is determined by the importance of water quality control in the water bodies for bathing, which can directly affect the health of the population and social conditions in the field of water recreation, water sports and tourism. The aim of the study is to analyze the structure and dynamics of the bathing water quality in the European Union based on the results of a review of the literature sources, as well as to compare approaches to this issue in Russia and the EU countries. The practical significance of the publi-cation is to disseminate the experience of the European Union in monitoring the quality of municipal water in the bathing areas, taking into account the requirements of the EU water Directive as well as in comparison with the review of the Russian experience. A brief overview of the situation with water quality in water bodies used for bathing in the European Union and Russia is given, and the current EU water directives are taken into account in a socially oriented approach.

Salmonella: relations with indicators in recreational waters affected by sewage discharges

2004 ◽  
Vol 4 (2) ◽  
pp. 31-34 ◽  
Author(s):  
M.A. Efstratiou
Keyword(s):  
Water Quality ◽  
Coastal Areas ◽  
Salmonella Spp ◽  
Recreational Waters ◽  
Bacterial Indicators ◽  
Faecal Pollution ◽  
Bathing Water ◽  
Bathing Water Quality ◽  
Sewage Discharges ◽  
The Eu

Densities of bacterial indicators of marine faecal pollution were compared, in coastal areas affected by sewage and river discharges, with Salmonella spp. t-tests comparing numbers of TC, FC and FS in samples positive and negative for Salmonella showed a good association between TC and FC (p significant at 0.006 and 0.034 respectively) and the pathogen. The levels of all three indicators in the guide standards of the EU Bathing Water Quality Directive predict absence of Salmonella. The Imperative standards of the directive do not. The conclusion is reached that if sewage works discharges into the watercourse effluent with low indicator counts the risk of Salmonella in the water will be minimal.

Wet-weather urban discharges: implications from adopting the revised European Directive concerning the quality of bathing water

2005 ◽  
Vol 52 (3) ◽  
pp. 9-17 ◽  
Author(s):  
L.M. David ◽  
J.S Matos
Keyword(s):  
Water Quality ◽  
Short Term ◽  
Sewer System ◽  
Revision Process ◽  
Eu Directive ◽  
Bathing Water ◽  
Combined Sewer ◽  
Wet Weather ◽  
Bathing Water Quality

Wet weather urban discharges are responsible for bathing water contamination. The proposal for a revised EU Directive concerning the quality of bathing water imposes significantly more stringent requirements for the management of bathing water quality, with particularly important repercussions on beaches subjected to short-term pollution incidents. The paper reviews the aspects from EU legislation most directly related to the problem of wet-weather discharges, placing special emphasis on the recent revision process of the Directive on bathing water quality, and evaluates the benefits of some potential solutions based on continuous modelling of a combined sewer system. Increasing the sewer system storage capacity or the STP hydraulic capacity may substantially reduce the untreated discharge volumes, but spill frequency reductions under 2 to 3 spill days per bathing season will hardly be achieved. Results show the severe strains that local rainfall patterns would place on compliance with the Commission's proposal for a revised Directive and highlight the importance of the changes introduced in the amended proposal recently approved by the Council, making it less prescriptive if adequate measures are adopted to prevent bathers' exposure to short-term pollution incidents.

scholarly journals Integrated River and Coastal Flow, Sediment and Escherichia coli Modelling for Bathing Water Quality

Water ◽  
2015 ◽  
Vol 7 (12) ◽  
pp. 4752-4777 ◽  
Author(s):  
Guoxian Huang ◽  
Roger Falconer ◽  
Binliang Lin
Keyword(s):  
Escherichia Coli ◽  
Water Quality ◽  
Bathing Water ◽  
Bathing Water Quality ◽  
Coastal Flow

scholarly journals Modeling of <i>E. coli</i> distribution for hazard assessment of bathing waters affected by combined sewer overflows

2020 ◽  
Vol 20 (5) ◽  
pp. 1219-1232 ◽  
Author(s):  
Luca Locatelli ◽  
Beniamino Russo ◽  
Alejandro Acero Oliete ◽  
Juan Carlos Sánchez Catalán ◽  
Eduardo Martínez-Gomariz ◽  
...  
Keyword(s):  
Water Quality ◽  
Hazard Assessment ◽  
Health Hazard ◽  
Water Bodies ◽  
Combined Sewer Overflows ◽  
Bathing Water ◽  
Bathing Waters ◽  
Combined Sewer ◽  
Bathing Water Quality

Abstract. Combined sewer overflows (CSOs) affect bathing water quality of receiving water bodies by bacterial pollution. The aim of this study is to assess the health hazard of bathing waters affected by CSOs. This is useful for bathing water managers, for risk assessment purposes, and for further impact and economic assessments. Pollutant hazard was evaluated based on two novel indicators proposed in this study: the mean duration of insufficient bathing water quality (1) over a period of time (i.e., several years) and (2) after single CSO/rain events. In particular, a novel correlation between the duration of seawater pollution and the event rainfall volume was developed. Pollutant hazard was assessed through a coupled urban drainage and seawater quality model that was developed, calibrated and validated based on local observations. Furthermore, hazard assessment was based on a novel statistical analysis of continuous simulations over a 9-year period using the coupled model. Finally, a validation of the estimated hazard is also shown. The health hazard was evaluated for the case study of Badalona (Spain) even though the methodology presented can be considered generally applicable to other urban areas and related receiving bathing water bodies. The case study presented is part of the EU-funded H2020 project BINGO (Bringing INnovation to OnGOing water management – a better future under climate change).

Stormwater overflow impacts on the sanitary quality of bathing waters

2007 ◽  
Vol 56 (11) ◽  
pp. 43-50 ◽  
Author(s):  
E. Soyeux ◽  
F. Blanchet ◽  
B. Tisserand
Keyword(s):  
Water Quality ◽  
Urban Areas ◽  
Active Management ◽  
Bathing Water ◽  
Bathing Waters ◽  
Management Concept ◽  
On Line ◽  
Bathing Water Quality ◽  
High Level ◽  
Water Quality Deterioration

New European Directive 2006/7/EC concerning the management of bathing water quality introduces the concept of ‘active management of bathing water sanitary quality’ which could lead to a temporary bathing prohibition in case of short term pollution. For the last three bathing seasons, Veolia has carried out in experimental mode this ‘active management’ concept at more than one hundred bathing sites with various characteristics. Results confirm the high level of microbiological pollution observed in sewer overflows during rainy periods, which is the main cause of bathing water quality deterioration. An on-line treatment solution has been successfully tested. This solution may be used in dense urban areas.

Fate and transport modelling of faecal indicator bacteria in Dublin Bay

2020 ◽  
Author(s):  
Guanghai Gao ◽  
Aisling Corkery ◽  
John O’Sullivan ◽  
Wim Meijer ◽  
Gregory O’Hare ◽  
...  
Keyword(s):  
Water Quality ◽  
Decay Rate ◽  
Coastal Waters ◽  
Transport Processes ◽  
Indicator Bacteria ◽  
Climate Change Scenarios ◽  
Faecal Indicator Bacteria ◽  
Bathing Water ◽  
Intestinal Enterococci ◽  
The Eu

&lt;p&gt;Water-based microbial pathogens are often responsible for the spread of waterborne diseases in polluted coastal waters. However, difficulties in directly measuring pathogens have resulted in Faecal Indicator Bacteria (FIB) being commonly used as risk indicators in coastal and bathing water management. FIB groups, particularly those of E coli and enterococci, are easily quantified in laboratory tests and are used worldwide to assess health risks in bathing and shellfish harvesting waters.&lt;/p&gt;&lt;p&gt;Dublin Bay off the east coast of Ireland extends to over 300 km&lt;sup&gt;2&lt;/sup&gt; and is home to species and habitats of high conservation importance. Its significant environmental, economic, cultural, recreational and tourism importance to the 300,000 people living within the Bay area and to the wider Dublin population is reflected in its 2015 Biosphere designation from the United Nations Educational, Scientific and Cultural Organisation (UNESCO). Recent years however, have seen an increase in pressures on the water quality in Dublin Bay with diffuse and point source pollution discharges from both the urban and rural catchments connected to the bay being a cause of increasing concern for the responsible authorities charged with managing the coastal waters in the context of national and European legislations, particularly the EU Bathing Water Directive (2006/7/EC).&lt;/p&gt;&lt;p&gt;Here we present the development of a 3-Dimensional numerical model for simulating the transport and fate of FIB (namely E.coli and Intestinal Enterococci) in the receiving waters of Dublin Bay. A dynamic decay rate, which included the effects of salinity, temperature and light intensity was adopted in the model, and was shown to offer advantages over the use of constant decay rate models for simulating the bacterial die-off. More importantly however, the analyses of sediment samples taken from the intertidal zone in the bay revealed relatively high faecal bacteria concentrations. The developed model in this study allows for the effects of sediment on bacteria transport processes in surface waters and in particular, the release of bacteria from sediments into the water column. The model was validated with measurements of current speed and direction at multiple points in Dublin Bay, and with faecal indicator bacteria concentrations (E.coli and Intestinal Enterococci) determined for neap and Spring tides in both wet and dry conditions. Results from model simulations agreed well with observed data. The model represents a high-level strategic tool that will be used to understand how water quality pressures in Dublin Bay may be altered under different climate change scenarios. The work presented forms part of the EU INTERREG funded Acclimatize project (www.acclimatize.eu/) that is investigating the longer-term water quality pressures in Dublin Bay that may arise in the context of a changing climate.&lt;/p&gt;

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