Surfers Against Sewage Water Quality Campaigns

Environmental Regulators:

England – Environment Agency
Environment Agency

Wales – Natural Resources Wales
Natural Resources Wales

Scotland – Scottish Environment Protection Agency
Scottish Environment Protection Agency (SEPA)

Northern Ireland – Northern Ireland Environment Agency
Northern Ireland Environment Agency

Event Duration Monitor (EDM) Data:

EDM Dataset Guide:
EDM 2022 Storm Overflow Annual Return – dataset guide README.pdf

EDM Data:
Event Duration Monitoring – Storm Overflows – Annual Returns –

Useful Data Insights:

EDM Data blog:

This EDM explainer blog was published when the Environment Agency (EA), Scottish Environment Protection Agency (SEPA) and Natural Resource Wales (NRW) released their annual data, revealing how much sewage was dumped into UK waterways in 2022. The blog explains what EDM Data is and delves into how bad the sewage scandal is across the UK.

Cornwall Data Explorer:

Cornwall Data Explorer provides a variety of ecological and environmental focused coastal and marine data which can inform and contribute to environmental planning, management, and protection across the county.

Top of the Poops:

The Top of the Poops website analyses EDM data provided by water companies. You are able to see a breakdown of water companies, as well as CSO locations and number of sewage dumps for each location.

Bloomin’ Algae:

Bloomin’ Algae is a citizen science app which can be used for reporting signs of harmful algal blooms of blue-green algae. Users can submit photos which will be examined and verified by an expert.

Water Company Financial regulator: