Education & Training

Current Training:

Foundations in Soil: Building Knowledge from the Ground Up
May 20, 2025, 9:00 am – 3:30 pm (Rain date is June 3 or 5)
Twin Orchard Farm, Southampton, MA

Join the Yankee Onsite Wastewater Association for a day of hands-on learning in the field!

This one-day, in-person training will share foundational knowledge in soil properties, hydrology, and classification essential for health agents assessing onsite wastewater treatment systems. Learn from experts in an interactive field setting. VIEW AGENDA

Who Should Attend?

  • New Health Agents & Regulators.
  • Environmental Professionals
  • Anyone interested in soil science & onsite wastewater management.

Educational Credit: 6.0 SE/SI credits have been approved for MA, and 4.0 SE/SI have been approved for VT.

REGISTER >>


NOWRA’s “Installer Training” – Access it ONLINE and complete at your own pace.  This is APPROVED for Title 5 SE/SI credits!

NOWRA’s “A to Z” Overview class – Access it ONLINE and complete at your own pace.  This is APPROVED for Title 5 SE/SI credits!

NOWRA’s “Troubleshooting Bundle” – Access it ONLINE and complete at your own pace.  This is APPROVED for Title 5 SE/SI credits!


Archived Training:

March 25, 2025: Women in Public Health, Shaping the Future, Inspiring Change Webinar
This webinar convened leading professionals to share insights, strategies, and personal experiences on navigating and excelling in male-dominated industries.
View Program>>

June 25, 2024: Nitrogen and its Effect on Onsite Wastewater Systems Seminar was held at UMASS’s Mt. Ida Campus in Newton, MA. Attendees learned about the nitrogen cycle, I/A technologies and new Cape & Islands regulations. Below are the proceedings.

November 15, 2022: SOILS: Back to Basics Workshop was held at UMASS’s Mt. IDA Campus, Newton, MA. Attendees learned about proper site evaluations and system design from experts from the USDA Natural Resources Conservation Service (NRCS). Approved for 5.5 SE/SI credits. View Agenda >>

June 10, 2022: “Title 5 Inspections: Basic to Advanced Topics” View Program >>

March 24, 2022: Dealing with Title 5 and Layer Cake Systems Webinar
This 2-hr webinar featured Emily Michele Olmsted and George Heufelder, MASSTC presenting “Title 5 Setbacks: How Far is Far Enough?” and “Layer Cakes: Are They Still on the Dessert Menu?” View Recording >>

August 5, 2021: YOWA Innovative and Alternative System Troubleshooting Webinar
This webinar featured George Heufelder and Emily Michele Olmstead, MASSTC presenting “Troubleshooting and Recommendations for I/A Septic System Performance”, followed by a live panel discussion with I/A system operators: Mark Cottrell, Clear Water Industries; Joe Smith, NSU Water; and Joe Martins, Accu Sepcheck. View Recording >>

March 24, 2021: YOWA Onsite Wastewater Webinar
A one-hour webinar that included presentations from Bob Silva, Septic Preservation Services on Septic Savy and George Heufelder, MASSTC presented on Viruses, Who Knew?  
View Recording >>

April 2-4, 2019: Northeast Onsite Wastewater Treatment Short Course & Equipment Exhibition, Mystic, CT  View conference materials >>

December 5, 2019: YOWA Pressure Distribution and Pump Calculations Training, Newton, MA
An in-person training held in Newton, MA featured a nationally recognized expert, Larry Stephens who discussed pressure distribution and pump calculations.

October 31, 2018: YOWA Basics of Onsite Wastewater Training, Acton, MA

October 6, 2017: YOWA Troubleshooting Septic System Malfunctions Training, Acton, MA