Water firms in the dark over EU radon rules

An EU directive on radon in drinking water has entered into force. The UK has two years to implement the rules.

New EU rules limiting radon levels in drinking water have been agreed but UK water firms are unsure what impact the changes will have.

The new directive agreed under the Euratom Treaty was published in the EU’s official journal on 7 November. It entered into force on 27 November and gives member states two years to implement its requirements.

The directive sets a 100 becquerel per litre ‘parametric value’ for the level of radon in drinking water. This is not a limit value but when it is exceeded member states should consider the health risks and whether remedial action is needed.

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