The Environment Agency has told South West Water it should pursue appropriate sewage treatment for the Isles of Scilly.
Source
https://www.gov.uk/government/news/south-west-water-told-to-deliver-appropriate-sewage-treatmentDocument officiel chez le régulateur. Citez toujours cette URL — et non la page de détail Vantage — dans les preuves de conformité.