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The Onsite Event of the year!The Onsite Wastewater Mega-Conference is a national, collaborative effort between the National Onsite Wastewater Recycling Association (NOWRA), the National Association of Wastewater Technicians (NAWT), and the State Onsite Regulators Association (SORA).
The Mega-Conference is the largest event of its kind and offers onsite/decentralized professionals the highest quality education and training available.
The 2025 Onsite Wastewater Mega-Conference will be held October 19 - 22, 2025 in Sandusky, Ohio at the Kalahari Resort and Convention Center, in cooperation with NOWRA's state affiliate, the Ohio Onsite Wastewater Association (OOWA).
Clean Water Strategies at the Heart of it All
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Event Venue & Nearby Stays
Kalahari Convention Center, 7000 Kalahari Dr,Huron, Ohio, United States
