Sewage pollution impact in the UK
Storm overflow spill frequency and duration, and the watercourses affected downstream. Figures come from EDM storm overflow returns, EA water quality, Water company data, and every area on this layer states its source and retrieval date.
What this layer shows
Storm overflow spill frequency and duration, and the watercourses affected downstream.
The scale runs from Few spills to Frequent spills. Areas with no published reading stay neutral and are labelled unknown.
Sources and confidence
Built from EDM storm overflow returns, EA water quality, Water company data. Each value records its source, the date it was retrieved and whether it is a verified reading, a derived statistic or a model output, following Property Data Trust Framework conventions.
NestLink home