Natural Resources Wales collect this data (using the ‘permitted waste returns’) from site operators, waste collectors and processors, in order to monitor compliance with permit conditions.
Dylech ddarllen y Daflen Ffeithiau hon ar y cyd â Rheoliadau Adnoddau Dŵr (Rheoli Llygredd Amaethyddol) (Cymru) 2021: canllawiau ar gyfer ffermwyr a thirfeddianwyr.