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New EU rules to improve urban wastewater treatment and reuse

  • New EU rules to improve urban wastewater treatment and reuse
  • Better monitoring of chemical pollutants, pathogens and antimicrobial resistance.

  • Producers of pharmaceuticals and cosmetics and member states will have to finance costs of additional treatment for micro-pollutants.

  • Wider reuse of treated urban wastewater to prevent water scarcity.

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European Parliament
The European Parliament is an important forum for political debate and decision-making at the EU level. The Members of the European Parliament are directly elected by voters in all Member States to represent people’s interests.

MEPs approved new EU rules for the collection, treatment and discharge of urban wastewater.

With 481 votes in favour, 79 against and 26 abstentions, Parliament adopted the deal reached with the Council in January 2024 on revising the EU’s water management and urban wastewater treatment standards to better protect public health and the environment.

By 2035, urban wastewater will undergo secondary treatment (i.e., the removal of biodegradable organic matter) before it is discharged into the environment, in all agglomerations of the size of 1,000 population equivalent (p.e., standard measuring unit describing the average pollution released by one person per day) or more. By 2039, tertiary treatment (i.e. the removal of nitrogen and phosphorus) will be applied in all wastewater treatment plants covering 150,000 p.e. and above, and by 2045 in those covering 10.000 p.e. and above. An additional treatment removing a broad spectrum of micro-pollutants ('quaternary treatment') will be mandatory for all plants over 150,000 p.e. (and over 10,000 p.e. based on a risk assessment) by 2045.

The monitoring of various public health parameters (such as known viruses and emerging pathogens), chemical pollutants, including so-called “forever chemicals” (per- and polyfluoroalkyl substances or PFAS), microplastics and antimicrobial resistance will be strictly monitored.

The law introduces extended producer responsibility (EPR) for medicinal products for human use and cosmetic products, to cover the costs of quaternary treatment (to remove micro-pollutants from urban wastewater). At least 80% of the costs will be covered by producers, complemented by national financing.

EU countries will be required to promote the reuse of treated wastewater from all urban wastewater treatment plants where appropriate, especially in water-stressed areas.

Rapporteur Nils Torvalds(Renew, FI) said: “The legislation will significantly improve water management and wastewater treatment standards in Europe, especially with new rules on removing micro-pollutants coming from medicines and personal care products. We are making sure that the impact of the rules on the affordability of medicines will not be disproportionate and that harmful chemicals such as PFAS will be monitored and better dealt with in the future.”

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