Compliance Assessment Scheme - Assessment Reports

Results of SEPA’s annual compliance assessment are provided in the search and map tabs below. You can use the filters to select a specific year, site, geographic team area or the compliance banding. For information on the scheme please view our Compliance Assessment Scheme information.

2018 assessments summary (click to show/hide)

In 2018, we assessed 5,123 licences, and each licence assessed is given one of six classifications at the end of the year, as follows:







Broadly Compliant



At Risk






Very Poor



During 2018, we continued to prioritise our work to focus on the poorest performers, and those with persistent poor performance over the last two or more years. As a result, we:

  • Improved the classification of 21 of the 40 licences that had been assessed as Very Poor at the end of 2017, a reduction of 52.5%.
  • Returned 67 of the 182 licences to a satisfactory classification, which had been unsatisfactory for two or more years consecutively. This was a reduction of 36.8%.

We assessed 104 more licences in 2018 in comparison to 2017. In 2018, there was an increase in the number of licenses that received an unsatisfactory rating, At Risk, Poor or Very Poor, with 37 licences more licences receiving one of these unsatisfactory classifications. The number of licences assessed as satisfactory in 2018 was 4,634, 90.5% overall.

Since 2014, operators in all major regulatory regimes and water resource activities regulated under Controlled Activities Regulations have been included in the Compliance Assessment Scheme, making it easier to compare trends.

A significant number of lower risk activities are not assessed annually, and inspection frequency varies from once every two to once every five years. As a result, the number of licenses assessed and reported each year will vary. In addition to the compliance data for nuclear and radioactive substances sites published in detail below, we also regulate smaller authorised radioactive sources, many of which are used in the offshore oil industry and onshore in industrial processes.