The rest of the UK has had one of the best years on record for bathing water quality in the Marine Conservation Society (MCS) guide, but the number of Scottish beaches rated as excellent dipped by 5% from the 2011 figure.

BBC: Good Beach Guide rankings washed out by Scottish downpours

In addition, it said a 2004 review by the Marine Corps found the service followed existing water quality regulations.

CNN: Male breast cancer patients blame water at Marine base