CDC Healthy Water Home

Fact Sheets

The fact sheets below deal specifically with recreational water and are designed to address issues relevant to various audiences, including swimmers, parents with young children, aquatics staff, and public health professionals. These fact sheets raise awareness about recreational water illnesses (RWIs) and other healthy swimming topics.

Hyperchlorination fact sheet

Message: Guidelines for pool operators on how to use hyperchlorination to kill Cryptosporidium.

Audience: Designed for pool operators.

Web: Hyperchlorination to Kill Cryptosporidium

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