Campaigners have warned of the risk of more sewage pollution on coastlines ahead of the bank holiday.
Data from campaign group Surfers Against Sewage (SAS) shows 654 alerts of sewer overflows.
Pollution continues to plague the country after complaints of foul smelling oil dumps a river loved by swimmers and canoeists was found to contain alarming levels of E.coli.
It is so scary - Fire breaks out by oil spill on river near Falmouth itv.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from itv.com Daily Mail and Mail on Sunday newspapers.
A waterside house for sale on the shores of one of Cornwall s most beautiful and unspoilt rivers countrylife.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from countrylife.co.uk Daily Mail and Mail on Sunday newspapers.