310 CMR 22: The Massachusetts Drinking Water Regulations

Date:	03/11/2016
Organization:	Massachusetts Department of Environmental Protection
Regulatory Authority:	MGL Chapter 40, Sections 15B, 38, 39B, 39C, 40, 41, and 41A MGL Chapter 111, Sections 2C, 5E, 5F, 5G, 17, 143, 159, 160, 160A, 160B, 162, and 165 MGL Chapter 114, Sections 35 and 36 MGL Chapter 140, Sections 32B and 32H MGL Chapter 165, Sections 4B and 6
Official Version:	Published by the Massachusetts Register

These regulations protect public water supply sources in Massachusetts. They make sure that our drinking water is safe, fit, and pure.

Current Regulations

These regulations, 310 CMR 22.00, became effective as of March 11, 2016. 

Note: This is an unofficial version of Commonwealth regulations and is posted here for the convenience of the public. It is not an official statement of the regulations.

Proposed Amendments & Public Comment

Drinking Water Regulations Amendments
310 CMR 22.00 PFAS Amendments Red Line Strikeout

Laboratory Certification Amendments
310 CMR 42.00 PFAS Amendments Red Line Strikeout

Regulations Summary
310 CMR 42.00 and 310 CMR 22.00 Regulation Summary for PFAS Amendments

Public Hearing Notice
310 CMR 42.00 and 310 CMR 22.00 Public Hearing Notice for PFAS Amendments

The Massachusetts Department of Environmental Protection (MassDEP) proposes to revise its regulations at 310 CMR 42.00 for the Certification and Operation of Environmental Analysis Laboratories to add a new certification category for Per- and Polyfluoroalkyl substances (PFAS).  Changes to 310 CMR 22.00, the Drinking Water regulations, are also proposed which will add references to the appropriate laboratory methods to be followed by certified laboratories.  MassDEP is separately proposing revisions to the Timely Action and Fee regulations at 310 CMR 4.00 to create a permit fee category for PFAS laboratory certification.  

Recently Promulgated Amendments

There have been no recent amendments to these regulations.