Onsite Wastewater and Water Reuse Systems
Ensure that your on-site wastewater treatment or water reuse units meet all regulatory requirements.

NSF evaluates all residential wastewater treatment systems, regardless of treatment technology, in test facilities throughout the U.S., Canada and Europe.
Explore Our Solution Areas
Use of NSF consulting services or attending NSF training sessions does not provide an advantage, nor is it linked in any way to the granting of certification.
Water Reuse Systems Certification
Certify water reuse technologies for residential or commercial properties to NSF/ANSI 350.Amalgam Separator Certification
Certify the efficiency of your dental amalgam separator to the requirements of ISO 11143.Residential Wastewater Treatment Systems
Test and certify your residential wastewater treatment units and components to achieve regulatory compliance and give your customers peace of mind.Wastewater Protocols
NSF protocols are similar in many ways to NSF/ANSI standards, but do not undergo review and approval by an NSF joint committee.ISO/IEC 42001 Artificial Intelligence – Management System
Build resilience and manage the risks and opportunities associated with AI systems.
Resources

Webinar - State of Play: The Global Onsite Wastewater Market
WebinarKey trends, regulatory developments, and regional requirements shaping the global onsite wastewater industry.
Repaired or Modified: Is It Still Certified to NSF/ANSI/CAN 61?
BrochureUnderstanding certification after repairs or maintenance.
Are You Certified by NSF or to NSF?
ArticleNot all certifications are created equal. Here’s what sets NSF certification apart:
How NSF Can Help You
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