Map: UK sewer overflow pipes

HOW TO USE THIS MAP Click icons to see if there is a CSO affecting beaches near you Zoom into the map using the + and - buttons

The quality of bathing water on UK beaches is in decline. Panorama has investigated the combined sewer overflow (CSO) pipes which spill a mixture of storm water and sewage into rivers and onto beaches.

Here, Panorama has mapped the UK beaches listed in the Good Beach Guide which are known to have a CSO nearby.

Explore this map to see if there is a CSO near you in England.

• Combined Sewage Overspill

• Cluster

Panorama: Britain's Dirty Beaches, BBC One, Monday, 7 September at 8.30pm.