GSOWA 2025 Annual Spring Septic System Conference & Expo

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

Mark your calendars for March 31-April 1 when GSOWA will host its 2025 Annual Spring Septic System Conference & Expo.
Program information will be posted in late 2024.

Are you looking to have an exhibit booth at our 2025 conference and expo? 

Check back in early fall for an exhibitor prospectus and application.