Summer is here, and people are flocking to the water, whether it's a beach, lake, pool, pond, river, or backyard creek. But there's an inherent risk to swimming and other aquatic activities. The World Health Organization (WHO) says that there are 360,000 drownings each year worldwide — more than 40 people dying every hour of every day — and the highest mortality rates are for children between 1 and 4. Fortunately, there's not much special equipment or training required to protect loved ones. Families concerned about water safety can follow these 11 simple rules to stay out of harm's way.