While swimming, critical circumstances can quickly build and get beyond your control, leading to a fatal consequence. Caitlin Hoff, health and safety investigator for ConsumerSafety.org, recommends swimmers always swim with a buddy, ideally in an area with an on-duty lifeguard. Following are the hazards of swimming alone in pools - - Near-drownings and drownings - Diving injuries - Slips and falls on pool decks - Suction entrapment in pool drains - Electrical shocks