All individuals who enter NEIWPCC offices during business hours are required to be fully vaccinated.


Advancing Clean Water Since 1947

On July 31st NEIWPCC was formed by an Act of Congress to tackle water quality issues across the Northeast. Learn more about our accomplishments.

Commissioners Weigh In

In this video series, NEIWPCC commissioners share their perspectives on the anniversary and role of NEIWPCC in advancing clean water.

New Clean Water Podcast

The Clean Water Pod explores the challenges and successes of restoring and protecting water quality. Tune in wherever you get your podcasts!

New Regional Sludge Report

The Northeast Regional Sludge End-Use and Disposal Estimate report provides a representative snapshot of how sewage sludge was disposed of or beneficially reused in the region to inform management plans. Learn more.

Register for Training

We’re offering live, virtual wastewater trainings where attendees can earn Training Contact Hours (TCHs). See our calendar to register.

Upcoming Webinar on Watershed Prioritization Tool

Using the Recovery Potential Screening Tool to Support Planning and Prioritization The first webinar in the National 303(d) Restoring Our Impaired Waters Webinar Series will focus […]

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Northeast Aquatic Biologists (NAB) Conference @ Hotel 1620 Plymouth Harbor
Feb 15 – Feb 17 all-day
The Northeast Aquatic Biologists (NAB) Conference provides a forum for knowledge-transfer, collaboration, and networking among the aquatic and environmental biologist community in the Northeast. The event is coordinated by NEIWPCC in partnership with our member states and the U.S. EPA.
The 2023 NAB Conference will take place on February 15-17, at the Hotel 1620 Plymouth Harbor in Plymouth, Massachusetts. Planning for the meeting is underway and will include traditional concurrent, plenary, and poster sessions. We will adapt accordingly to deliver content, networking, and social events to provide you the same great event in a safe way.
Annual Nonpoint Source Conference @ Holiday Inn® Saratoga Springs
Apr 12 – Apr 13 all-day
Annual Nonpoint Source Conference @ Holiday Inn® Saratoga Springs

The 33rd  Annual Nonpoint Source Pollution (NPS) Conference is set for April 12-13, 2023 in Saratoga Springs, New York. NEIWPCC is coordinating the conference in partnership with the U.S. Environmental Protection Agency with support from the New York Department of Environmental Conservation and the Shinnecock Nation. The conference theme is Environmental Justice, Equity and Climate Change.

The conference is open to all registrants, with registration opening in early 2023. Details about the conference and abstract submission can be found on the event webpage.

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Our Programs

NEIWPCC is a not-for-profit interstate agency that serves and assists our states by coordinating activities and forums that encourage cooperation, developing resources that foster progress on water and wastewater issues, representing the region in matters of federal policy, training environmental professionals, initiating scientific research projects, educating the public, and providing overall leadership in water management and protection.
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Where Do We Serve?

Watersheds cross political boundaries. So do we. In addition to region-wide work at our Lowell, Massachusetts, headquarters, NEIWPCC manages or supports programs and environmental training in its seven member states. Many programs focus on a particular watershed or area. Learn More >

Additional NEIWPCC employees work in state offices across the region. Learn More >

Maine Training

NEIWPCC’s JETCC program trains and accredits wastewater operators in the state of Maine. Go>

Massachusetts Training

NEIWPCC trains and accredits wastewater operators and soil and septic inspectors in Massachusetts. Go>

Lake Champlain Basin Program

The Lake Champlain Basin Program runs and funds research, monitoring, mitigation, and public outreach programs that protect the lake. Go>

Long Island Sound Study

The Long Island Sound Study Program runs and funds research, monitoring, mitigation, and public outreach programs that protect the sound. Go>

Hudson River Programs

In the Hudson Valley, two linked programs run and fund research, monitoring, mitigation, and public outreach programs that protect the Hudson estuary watershed. Go>

What Are the Issues?

Commercial and residential growth have combined to produce an abundance of pollutants that often flow unchecked into lakes, rivers, and bays. See below for the primary environmental issues of our region.