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Summary: This consultation document proposes an approach for the development of guideline values for groundwater and how these standards would be applied when determining if groundwater 'pollution' has occurred.
The EPA welcomes input from all stakeholders. Those wishing to comment are encouraged to do so by emailing your comments to firstname.lastname@example.org
The closing date for comments is 5pm, 28th February 2017.
Currently, a number of different values are being used to assess groundwater quality and ultimately pollution. A clear understanding of what is 'pollution' is required for a number of reasons:
In order to assess compliance with the WFD, there is firstly a need to determine if the inputs of hazardous/non-hazardous pollutants have been prevented/limited and if they have not then to determine if the pollution has occurred as a result of the associated activities. It is important to note that for pollution to occur there needs to be some actual or likely impact on drinking water sources, surface water or wetlands, or an impact that would impair future use of groundwater e.g. as a source of potable water. Secondly, the extent and significance of the pollution (plume) needs to be determined as it influences the intervention that is required.
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