A community of problem solvers advancing clean water in the Northeast, in service to the states and the people. Our mission includes research and monitoring, outreach and education, and training, support, and advocacy. Learn More >

Studying and Protecting Estuaries and Wetlands

Wetlands and estuaries are ecologically unique areas that provide habitat essential to our fish and wildlife populations.

Training Environmental Professionals

For more than 45 years, NEIWPCC has equipped environmental professionals with the latest knowledge and skills. We offer training at locations throughout New England and New York State. Learn More >

Protecting Cherished Water Resources

From Lake Champlain to Narragansett Bay and beyond, we staff and support programs that protect and champion specific water bodies and target the challenges they face. We apply lessons learned to protect water resources across the region. Learn More >

Monitoring the Health of Our Water

Our mission includes expanding knowledge about the condition of the Northeast’s water resources. Research and monitoring by our staff and by partners tracks the presence of aquatic invasive species and harmful algal blooms, the effects of sea level rise, water quality trends, and many other critical topics. Learn More >

Estuary Outreach

Request for Proposals The Peconic Estuary Program is seeking proposals to implement a multi-faceted community education and outreach program. The successful contractor will increase public… Continue reading >

Landscaping for Scenic Access

Request for Proposals NEIWPCC is inviting proposals to assist the New York State Department of Environmental Conservation’s (NYSDEC) Hudson River Estuary Program efforts in educating… Continue reading >

All About Soil

October 16 marked the last day of NEIWPCC’s most recent eight-session soil evaluator certification course, which trains engineers, designers, local Boards of Health members, and… Continue reading >

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Feb 27 @ 9:00 am – Mar 1 @ 12:00 pm Holiday Inn Saratoga Springs
The 2019 Northeast Aquatic Biologist Conference will be held February 27 – March 1, 2019 at the Holiday Inn in Saratoga Springs, New York. This… Continue reading >
Mar 15 @ 8:00 am – 5:00 pm Danford's Hotel
You are invited to attend the 2019 Long Island Sound Research Conference This biennial conference highlights diverse research occurring in the Long Island sound and… Continue reading >
Apr 2 @ 9:00 am – Apr 4 @ 5:00 pm Mystic Marriot
This conference, which is hosted and coordinated by the New England Interstate Water Pollution Control Commission (NEIWPCC) in partnership with its member states and US… Continue reading >

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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>

Narragansett Bay Estuary Program

The Narragansett Bay Estuary Program runs and funds research, monitoring, and mitigation projects that protect the bay and its watershed. 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>

Storm Recovery Area

NEIWPCC employees support the work of the New York Governor’s Office of Storm Recovery, helping hard-hit areas rebound from Hurricane Sandy.

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>

Peconic Estuary Program

The Peconic Estuary Program runs and funds research, monitoring, mitigation, and public outreach programs that protect the estuary. Go>

Interstate Environmental Commission District

The IEC performs critical monitoring of the western Long Island Sound and conducts inspections of municipal and industrial facilities. 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.