A pollution risk warning has been issued today (Thursday 20th July). The advice not to swim covers Fleetwood, Cleveleys, Bispham, Blackpool North, Blackpool Central and Blackpool South.
Currently St Anne’s North and St Anne’s are not affected.
Water quality at designated bathing water sites in England is assessed by the Environment Agency. The featured map is taken from https://environment.data.gov.uk/bwq/profiles/ A detail from the interactive map is shown below.