Spring 2025 OSJ Available!
This issue features articles about sustainably managing wastewater in Alabama's Black Belt region and the 2024 Mega-Conference wrap-up. See updates from our state affiliates, NOWRA committees, and more!
Read MoreNational Onsite Wastewater Recycling Association
NOWRA is the largest organization in the U.S. dedicated to representing the onsite and decentralized wastewater industry. Our mission is advancing sustainable decentralized wastewater infrastructure through advocacy and professional development, to protect public and environmental health
-
Onsite Wastewater Mega-Conference
October 19 - October 22, 2025
Conference Information
Sandusky, Ohio In cooperation with OOWA
The Call for Abstracts for the 2025 Onsite Wastewater Mega-Conference is now OPEN! -
Online Education
Taught by industry experts, NOWRA's Academy offerings cover the fundamentals of the profession as well as advanced training in multiple topics.
Available to Members and Non-Members alike.
Select Your State or Province -
Septic Locator
Get assistance with your septic system design, installation, repair or maintenance. Search our directory to find a local professional.
Online Directory
News & Events
Find upcoming events, learn about key industry issues and trends, and get updates to NOWRA's recent activities.
News EventsNOWRA Board Approves Strategic Plan
The NOWRA Board of Directors recently approved a 3-year Strategic Plan.
Read More2025 Mega-Conference Call for Abstracts Now Open
The Call for Abstracts for the 2025 Onsite Wastewater Mega-Conference is open through March 31.
Read MoreAdvocating On Your Behalf
Watch for information about 2025 Legislative plans.
NOWRA is active in lobbying for policies and increased funding in support of onsite / decentralized treatment systems.
Be SepticSmart!
Mark your calendar! SepticSmart Week is September 15-19, 2025. Each year the EPA uses SepticSmart Week to reach out to homeowners and communities, to care for and maintain their septic systems. Learn more about septic system care and maintenance and practice year round. View EPA's 2024 Press Release.
