Contaminated Land Special Sites in England

A list of sites designated as special sites for contaminated land under UK environmental law, compiled by the Environment Agency. It includes sites designated up to 31 December 2025, with details on their status, location, and designation history. The dataset is maintained by the UK Environment Agency and was last updated in April 2026.

Use Cases

• Track the status of special sites over time using the date_of_designation and special_site_status fields.
• Analyze geographic distribution of contaminated land for policy review using the site_address and site_area columns.
• Monitor remediation progress by identifying sites where the designation has been terminated via the date_of_termination field.
• Assess regulatory workload by counting the number_of_designations per site.

Strengths

• Includes sites designated up to 31 December 2025, providing a multi-year temporal scope.
• Contains multiple specific data fields per site, including status, area, and designation dates.

Limitations

• The total number of rows (sites) is unknown, preventing assessment of dataset scale.
• Sample data is unavailable, making initial data structure and quality inspection impossible.

Provenance

Source

Environment Agency (UK)

Collection Method

Designated by Local Authorities under section 78C of Part 2A of the Environmental Protection Act 1990.

Time Range

Up to 31 December 2025.

Freshness

Last updated on 7 April 2026.

Geography

England