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Drinking Water Health & Safety

What consumers and Boards of Health should know about the safety of our drinking water.

Massachusetts has some of the safest drinking water in the nation. Learn how we keep it that way.

First time? Start here.

Guide:
What's in my drinking water?  

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Top tasks

Per- and Polyfluoroalkyl Substances (PFAS)  Look up Boil Orders  Find a Certified Laboratory for Water Testing 

What you need to know

How safe is drinking water in Massachusetts?  Is there lead in my tap water?  Consumer fact sheets  Boards of Health information  Bottled Water  FAQs: Public Health and Drinking Water  Drinking Water Contaminants Information for the Public  Home water treatment devices  Private well FAQs  Be prepared for storms and other emergencies  Information for building inspectors  Arsenic & Uranium Bedrock Well Study  Fact Sheet: Drinking Water Public Notification  Public Notification - Frequently Asked Questions  Public Notification & Emergency Contacts for Drinking Water  Climate Preparedness for Water Resources 

EEA Data Portal  EEA Public Access Portal  Lead & Copper Results Data Search  US EPA Drinking Water Health Advisories  US EPA Water Health Series: Filtration Facts 
A Parent's Guide to Safe Drinking Water at Home (English, PDF 7.71 MB)
PWS, Active Sources, and Contacts Spreadsheet (Rev. December 2023) (English, XLSX 449.89 KB)

Contact Information

Online

MassDEP Drinking Water Program program.director-dwp@mass.gov

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