The 36th Annual Nonpoint Source (NPS) Conference will be held April 7-9, 2026 in Plymouth, Massachusetts.
The Annual NPS Conference is the premier forum in the Northeast for sharing information and improving communication on NPS pollution issues and projects. Since 1990, NEIWPCC, in partnership with its member states, has been coordinating the event. Conference participants include federal, tribal, state, and municipal government staff, private sector professionals, nonprofit and watershed organization staff, as well as college and university students and professors.
The deadline to submit an abstract is December 19th, 2025.
Call for Abstracts
The call for abstracts is open!
Abstract topics include:
- Watershed panning
- Nature-based solutions for stormwater management
- Creative strategies for participatory and comprehensive community engagement
- Monitoring and data collection
- BMP operation and maintenance
- Creative funding, leveraging partnerships and financial capacity building
- Emerging NPS contaminants and innovative solutions
- Dam removal and river restoration
- Habitat restoration
- Technological tools and resources
- Nitrogen reduction from septic systems
- Adaptive BMP-management for increasing storm frequency and intensity
- Creative NPS storytelling for outreach and education
Registration & Lodging
Reserve Your Hotel Room
By Phone: You can reserve your hotel room either by calling Hotel 1620 at 508-747-4900 and mentioning you are with the “NEIWPCC 2026” group.
Online: Reservations may be made on www.hotel1620.com and entering the group code “N2467“.
Registration
Registration will open early 2026.
| Registration Type | One Day | Early Bird Rate | Standard Rate |
| Private Sector | $200 | $315 | $340 |
| Public or Non-Profit | $180 | $285 | $310 |
| Exhibitor | N/A | N/A | $900 |
| Sponsor | N/A | N/A | $300 |
Conference Agenda
A draft agenda will be posted January 2026.
Conference Archives
To view select information from past Annual NPS Conferences, including the agenda and presentation slides, visit the Conference Proceedings page.
Contact
To be added to the conference email list and for questions about current and previous conference agendas, speakers, topics, and content, please contact Devon Case.