Consented Discharges to Controlled Waters with Conditions

Quarterly extracts and a daily-updated public register provide details of all active environmental permits for discharges into controlled waters in England and Wales. The dataset contains three tiers of information: site and permit holder details, effluent discharge volumes and types, and specific chemical, biological, and physical substance limits (determinands). It covers all permit holders and all controlled substances under the Environmental Permit Regulations.

Use Cases

• Compliance monitoring based on permitted determinand limits for specific chemicals or biological agents.
• Spatial analysis of discharge points using the provided OS National Grid Reference coordinates.
• Tracking permit lifecycle events using the permit issue, effective, and revocation dates.
• Analyzing discharge volumes and types (e.g., Sewage, Storm Overflow, Trade) across regions.
• Researching the regulatory framework for effluent treatment types and permit categories.

Strengths

• Contains three structured tiers of data, from site information to specific substance limits.
• Cross-platform presence on UK and EU open data portals indicates official status and importance.
• Includes both a quarterly static extract and a link to a daily-updated public register.

Limitations

• Key metadata such as row count, file size, and specific column names are not provided on any platform.
• The exact license terms are unspecified, though an Environment Agency copyright statement is present.
• Potential for data conflict between the quarterly extract and the daily register is not detailed.

Provenance

Source

Environment Agency (England) and Natural Resources Wales public registers.

Collection Method

Extracted from official public registers as required by the Environmental Permit Regulations.

Time Range

Covers all active permits; temporal range of permits not specified.

Freshness

Last updated on one platform as 2026-04-10.

Geography

England and Wales.