Seattle authorities have issued warnings regarding water safety at Magnuson Beach due to elevated bacteria levels detected in recent tests, advising both people and pets to avoid the water to prevent illness. This advisory comes amid broader concerns about water hazards, including warnings for anglers in the San Francisco Bay about fish contaminated with dangerous levels of persistent 'forever chemicals.' Additionally, over a hundred miles of Lake Michigan beaches were reported to have various lake-related hazards. Meanwhile, residents in Seattle sought relief from warm temperatures at Golden Gardens, highlighting the ongoing heatwave conditions in the region.