The quality of drinking water available to consumers in Bulgaria, Hungary and Romania has improved in recent years thanks to EU funding, but a significant amount of money still needs to be invested, according to a new report from the European Court of Auditors.

The auditors examined EU action on drinking water quality in the three Member States. The audit covered the period from the Member States’ accession to the end of 2016. Overall, they found that access and supply had improved – largely ...