section_path: Risks
section_name: Risks
paragraph_text: Risks
  
  There are many risks associated with voluntary or involuntary human presence in water, which may result in death directly or through drowning asphyxiation. Swimming is both the goal of much voluntary presence and the prime means of regaining land in accidental situations.
  
  Most recorded water deaths fall into these categories:
  
  Adverse effects of swimming can include:
  
  Around any pool area, safety equipment is often important, and is a zoning requirement for most residential pools in the United States. Supervision by personnel trained in rescue techniques is required at most competitive swimming meets and public pools.