This page, Wastewater Treatment Plants, is part of
This page, Wastewater Treatment Plants, is offered by

Wastewater Treatment Plants

Information and tools for wastewater treatment plant operators.

Wastewater treatment plants range from small privately-owned facilities treating sanitary wastewater from a housing development to large regional facilities treating millions of gallons a day of sanitary and industrial wastewater. Plants owned by municipalities are commonly called Publicly-Owned Treatment Plants, or POTWs. In cooperation with local and federal authorities, MassDEP regulates many types of wastewater treatment plants.

Table of Contents

Lists of treatment plants by town and type

Regulations for Wastewater Treatment Plants and Operators

Additional Resources

Tools & Resources for Treatment Plant Owners and Operators

Training Information for Treatment Plants and Operators

Training from the US Environmental Protection Agency

Biosolids annual report (NETBIO) access:

Training on how to submit the 2020 Biosolids Annual Report:

Thursday, Jan 14, 2021, 2:00 PM - 3:30 PM EST
Wednesday, Feb 10, 2021, 3:00 PM - 4:30 PM EST

Register for training:

Biosolids Training Schedule:

Additional Resources for Biosolids Training:

Training for Massachusetts Wastewater Operators (provided by NEIWPCC)



Boston Office 617-292-5867

John Murphy

Northeast Regional Office Contact 978-694-3236

Kevin Brander

Southeast Regional Office 508-946-2757

Jeff Gould

Central Regional Office 508-767-2823

Dave Boyer

Western Regional Office 413-755-2218
New England Interstate Water Pollution Control Commission 978-323-7929