An average of 379 children under age 15 die in reported drownings linked to pools or spas each year, the CPSC said.
Widening the scope to include young people under the age of 20, drowning remains a major threat, ranking as the third leading cause of death among that age group.
Nearly 1,000 young people succumbed to drowning in 2017, according to a policy statement published by the American Academy of Pediatrics.
Although drownings have long been a leading cause of death, childhood drowning rates have been more than halved in the last three decades.
Most young children who drown in pools had only been left unsupervised for minutes or less, according to a CPSC study.