Recommendations to derive quality standards for chemical pollutants in reclaimed water intended for reuse in agricultural irrigation

Deviller, Genevieve, Lundy, Lian ORCID: https://orcid.org/0000-0003-1155-4132 and Fatta-Kassinos, Despo (2020) Recommendations to derive quality standards for chemical pollutants in reclaimed water intended for reuse in agricultural irrigation. Chemosphere, 240 , 124911. pp. 1-8. ISSN 0045-6535 [Article] (Published online first) (doi:10.1016/j.chemosphere.2019.124911)

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Abstract

The reuse of treated municipal wastewater (herein referred to as reclaimed water) in agricultural irrigation (RWAI) as a means to alleviate water scarcity is gaining increasing policy attention, particularly in areas where water demand mitigation measures have proved insufficient. However, reclaimed water reuse in practice is lagging behind policy ambition, with <2.5% of it reused in a European context. A key barrier identified as limiting its full valorisation is concern over its impact on human and environmental health. To address this concern, and to meet further objectives including achieving parity between current reclaimed water reuse guidelines operational in various Member States, the European Commission has proposed a regulation which identifies minimum quality requirements (MQR) for a range of microbiological and physico-chemical parameters but the inclusion of compounds of emerging concern (CECs) in terms of the determination of quality standards (QS) is missing. This paper reviews the existing pertinent EU legislation in terms of identifying the need for CEC QS for RWAI, considering the scope and remit of on-going pan-European chemicals prioritisation schemes. It also evaluates opportunities to link in with the existing EQS derivation methodology under the EU WFD to address all protection targets in the environmental compartments exposed via potential pathways of RWAI. Finally, it identifies the main data gaps and research needs for terrestrial ecosystems, the removal efficiency of CECs by WWTPs and transformation products generated during the wastewater reuse cycle.

Item Type: Article
Research Areas: A. > School of Science and Technology > Urban Pollution Research Centre (UPRC)
Item ID: 27783
Useful Links:
Depositing User: Lian Lundy
Date Deposited: 10 Oct 2019 10:51
Last Modified: 16 Oct 2020 17:14
URI: https://eprints.mdx.ac.uk/id/eprint/27783

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