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.
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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.
NSF protocols are similar in many ways to NSF/ANSI standards, but do not undergo review and approval by an NSF joint committee.
Standards Updates: NSF/ANSI 40, NSF/ANSI 245, NSF/ANSI 350, and NSF/ANSI 41Article
New versions of wastewater standards NSF/ANSI 40, NSF/ANSI 245, NSF/ANSI 350, and NSF/ANSI 41 have been published - find out more below.
Case Study: From Water Reuse to Electrical Safety Certification, Greyter Water Systems Expands Relationship With NSFArticle
After receiving NSF/ANSI 350 water reuse certification, Greyter had another need for its residential water system: electrical safety certification.