GSOWA 37th Annual Spring Conference & Expo

Join us on March 30-31, 2026 for New England’s largest event dedicated to the onsite wastewater industry!

Our program schedule will offer great opportunities to spend quality time with over 300 septic system professionals and over 50 vendors in attendance.

This two-day conference is THE industry event of the year. Approved* by NHDES for N.H. Permitted Designers and Installers (Up to 6 continuing education credit hours each day, depending on the number of sessions attended.) Also approved for VT Class A and Class B Licensed Designers (5 credits each day and Maine Site Evaluators, Certified System Installers and Certified System Inspectors (6 contact hours). MA Soil Evaluators and Systems Inspectors (Title V)
*approval pending but expected.

Attendee Registration is Now Open!  

For more information and to view the Program CLICK HERE

To register to attend the conference, CLICK HERE 

Exhibitor Registration is still open with only a few booths remaining! 

For more information on exhibiting and to view the Exhibitor Promo CLICK HERE

To register now as an Exhibitor, CLICK HERE