News Swimming advisory issued for Blind River beach SHARE ON: Rosalind Russell, staff Wednesday, Jul. 10th, 2019 Algoma Public Health is advising people not to swim at a Blind River beach. Photo by Camilo Jimenez - unsplash.com Algoma Public Health has issued a swimming advisory for Old Mill Beach in Blind River. Water samples are taken from Old Mill Beach every week. Test results of samples taken on Monday contained high levels of bacteria, so the advisory has been put in place. When sample results return to safe levels, the advisory will be removed.