Most parts of the Public Map Platform require JavaScript to work properly. To get the most out of the Public Map Platform, please enable JavaScript in your browser settings and reload the page.
This dataset provides permit holder information for permitted discharges in Wales as required by the Environmental Permit (England and Wales) Regulations 2016. Information is held for all permitted discharges and covers all substances that are controlled by the permits. The data is provided by the Natural Resources Wales public Register. The data set contains 3 tiers of information: Tier 1 – Site and General Information relating to the permit operator, discharge address and type. The date of permit issue, effective and revocation. Information where the effluent enters the environment (such as river, coastal, groundwater) for each permit. Tier 2 – Outlet and release Data on the effluent type e.g. Sewage effluent, Storm Overflow, Trade. The location is supplied for the effluent and the outlet in OS Nation Grid Reference format. Further detail is provided on the permit type and treatment type. Tier 3 –Determinand /release detail Limits Further detail is provided on the amount that can be discharged and in which time period in months. Release details/determinands are the substances and numerical limits that make up the effluent. This could include chemical, biological, and physical limits. The permitted limits are included for each determinand /release detail. Data is provided for each effluent and may contain one or more determinands depending on the complexity of the discharge. Attribution statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved.