March 31 – April 1, 2025 – DoubleTree by Hilton Manchester Downtown, Manchester, NH

REGISTRATION NOW OPEN!

Our 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.

CLICK HERE TO REGISTER

FOR ATTENDEE CONVENTION PROGRAM CLICK HERE

Are you looking to have an exhibit booth at our 2025 conference and expo?   EXHIBITOR REGISTRATION – CLICK HERE

Click here to review the exhibitor prospectus and application. 

Cancellation Policy:  Advance registration by March 16, 2025 is importation to ensure adequate accommodations. Cancellations made on or before March 16, 2025 will qualify for a refund minus a $25 administrative fee. No refunds will be offered after that date.

Walk-in registrations, and those who register after March 16, 2025, will incur an additional processing fee of $50.

PLEASE NOTE:

There is an email circulating offering to sell the list of attendees for the 2024 GSOWA Conference & Expo and/or a Member distribution list. GSOWA does not share the list of members or attendees and their contact information. This is some type of spam/phishing scam. Please do not respond! Just delete the email and block the sender.