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What are PFAS?

Per- and polyfluoroalkyl substances (PFAS) are manmade compounds that can be found in a wide range of products such as:

  • Clothing
  • Furniture and carpeting
  • Repellants
  • Lubricants
  • Paint
  • Dental floss
  • Cosmetics
  • Food packaging
  • Non-stick cookware
  • Chrome plating
  • Firefighting foam
Image of items that may contain PFAS such as cookware, clothing, makeup and furniture.


PFAS have been around since the 1940s and are found throughout our environment. They do not degrade easily, are not easily destroyed and can persist in the environment for many years. Research indicates that high levels of certain PFAS may impact health. The Agency for Toxic Substances and Disease Registry (ATSDR) lists the possible health effects of PFAS.

PFAS health effects
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Evolving drinking water regulations

Approximately 90 percent of our exposure to PFAS chemicals comes from consumer goods and not drinking water. However, through manufacturing and consumer goods, PFAS can make its way into soil, water and air. The Environmental Protection Agency (EPA) and the State of Florida have not yet regulated PFAS in drinking water. 

The EPA has established interim health advisory levels (HALs) for many PFAS. HALs are not regulatory limits but often serve as interim guidance before the EPA develops formal regulation.

Learn more at EPA
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Our results

The Safe Drinking Water Act requires that every five years the Environmental Protection Agency (EPA) issue a list of unregulated contaminants to be monitored by public water systems, known as the Unregulated Contaminant Monitoring Rule (UCMR). Unregulated contaminants do not have an EPA-established maximum contaminant level designated. The latest UCMR (UCMR 5) requires analysis for 29 PFAS compounds between 2023 and 2025.

In July 2023, Toho began sampling for UCMR 5 (29 PFAS compounds) and will complete sampling by January 2025. The results so far are published below. As others are completed, they will be posted here. If any unregulated contaminants are detected, they will also be reported in our annual water quality reports.

Our results
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Learn more about Toho’s water quality

Toho actively monitors our water sources to ensure the water we serve follows all state and federal drinking water health standards.

PFAS and wastewater

Toho treats all of the community’s wastewater turning it into reclaimed water. PFAS compounds are difficult to break down and currently there are no viable options for removing PFAS from wastewater and biosolids. The best way to remove PFAS from wastewater is to prevent them from entering the sewer system to begin with and to use PFAS-free products.

Image of wastewater treatment facility.

What can you do?

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