Per- and polyfluoroalkyl substances (PFAS) are a group of more than 5,000 human-made chemicals. They are used in a wide range of industrial processes and consumer products. Scientists are still studying how PFAS enter groundwater, and the sources can vary depending on the location and situation.
For basic information and common questions regarding PFAS, please visit the Department of Public Health (DPH) PFAS Webpage and the Department of Energy and Environmental Protection (DEEP) PFAS Webpage.
For information specific to private wells, please consult the Private Well Information Section of the DPH PFAS page.
For More Information:
DPH Private Well Program (for private well users, questions about treatment)
- Phone: 860-509-8401
- Email: dph.privatewellprogram@ct.gov
- Private Well Program Website
- Test Your Well
DPH Toxicology and Emerging Contaminants Unit
- Phone: 860-509-7356
- Email: DPH.Tox@ct.gov (for toxicology or health-based questions)
- Email: DPH.EmergingContaminants@ct.gov (for emerging contaminants in drinking water)
- Drinking Water Section Website
- PFAS Information Page
- Drinking Water Action Levels
List of Labs:
Department of Energy and Environmental Protection Remediation Division (for pollution source investigation)
- Phone: (860) 424-3705
- DEEP Remediation Division Contact
- DEEP PFAS Information Page
Connecticut Local Health Departments