9 June 2021
France should have been fully compliant with the Urban Waste Water Treatment Directive requirements since 2005. However, more than 100 agglomerations with a population of over 2000 do not comply with such requirements because urban waste water entering collecting systems is not subject to the appropriate level of treatment before being discharged, or because, even if the appropriate level is applied, treated waste waters do not reach the Directive’s requirements.
Fifteen of these agglomerations also fail to meet additional requirements of the Directive related to the protection of sensitive areas from nutrients. Urban waste water entering collecting systems is either not subject to more stringent treatment before being discharged into those areas, or even when more stringent level is applied, the Directive’s requirements are still not reached.
The Commission sent a letter of formal notice to the French authorities in October 2017, followed by a reasoned opinion in May 2020. Although the French authorities have shared monitoring data aimed at showing compliance with the requirements of the Directive for some of the agglomerations initially identified, the deficiencies and gaps remaining therein lead the Commission to conclude that the authorities have failed to prove compliance for the above-mentioned agglomerations.
Untreated waste water can be contaminated with bacteria and viruses and thus presents a risk to human health. It also contains nutrients such as nitrogen and phosphorous which can damage freshwaters and the marine environment, by promoting excessive growth of algae that chokes other life, a process known as eutrophication.
The Commission published in September 2020 the 10th report on the implementation of the Urban Waste Water Treatment Directive that showed an overall improvement in collection and treatment of waste water in Europe’s cities and towns, but pointed to different success levels between Member States.
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