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So how do parents determine if a child is âold enoughâ to be unsupervised at a pool or beach? Broward County in Florida is on the cutting edge of water safety and they recommend a minimum age of 12, though some experts believe it should be even higher.
Must be at least 17-years-old for on-site and camp trip swimming (50% of required total number of lifeguards on duty may be 16) 1  Wilderness swimming lifeguards must be at least 18-years-old. 2  Each guard shall not supervise more than 3400 square feet of pool area and no more than 50 yards of beach front.