Without prejudice to the provisions of article R. 1321-47, if the quality limits defined by the order mentioned in article R. 1321-2 are not complied with at the points of compliance defined in article R. 1321-5, the person responsible for producing or distributing water intended for human consumption must:
1° Immediately inform the mayor and the director general of the regional health agency, who will forward this information to the territorially competent prefect;
2° Immediately carry out an investigation to determine the cause;
3° Immediately report the findings and conclusions of the investigation to the authorities mentioned in 1° of this article.
For packaged water, the provisions applicable are those of article R. 1322-44-6.