1. WFD Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 Establishing a Framework for Community Action in the Field of Water Policy.
2. Directive (EU) 2022/0345 Proposal for a Directive of the European Parliament and of the Council concerning urban wastewater treatment (recast)—20 October 2022
3. DIRECTIVE (EU) 2020/2184 of the European Parliament and of the council of 16 December 2020 on the quality of water intended for human consumption (recast)
4. Skeffington RA, Halliday SJ, Wade AJ, Bowes MJ, Loewenthal M (2015) Using high-frequency water quality data to assess sampling strategies for the EU Water Framework Directive. Hydrol Earth Syst Sci 19:2491–2504. https://doi.org/10.5194/hess-19-2491-2015
5. CIS Common Implementation Strategy for the Water Framework Directive (2009): Guidance on surface water chemical monitoring under the Water Framework Directive