Onsite Wastewater Systems Testing

NSF has more than 40 years of experience in the onsite wastewater treatment industry.

Work with NSF’s experts to assure public health officials of your product’s safety performance. In addition to boosting the confidence of your customers, NSF testing and certification services ensure broad market access in the onsite wastewater treatment industry.

Our Services

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.

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.

Electrical Safety

NSF performs electrical safety certifications for food equipment, municipal water products and systems, on-site wastewater products and pool and spa equipment.

Resources

Case Study: From Water Reuse to Electrical Safety Certification, Greyter Water Systems Expands Relationship With NSF

After receiving NSF/ANSI 350 water reuse certification, Greyter had another need for its residential water system: electrical safety certification.

Ductile Iron Pipe and Fittings: The Scope of Associated Product Standards

We explore the scope of standards and associated certifications related to ductile iron pipe and fittings that have been used in water distribution and wastewater systems for decades.

Treatment Chemical Contact Products: NSF/ANSI/CAN 61 Sections 5 & 8 Differences

We explore the listing differences between Sections 5 and 8 of NSF/ANSI/CAN 61, which covers materials or products that come in contact with drinking water treatment chemicals.

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News and Events

Plumbing Standard Revisions Tighten Lead Leaching Criteria in Drinking Water

September 22, 2020

Joint committee governing NSF/ANSI/CAN 61 lowers maximum allowable limits of leached lead from plumbing endpoint devices

NSF Staff Takes Part in NEHA Conference

July 23, 2019

Left to right: David Dyjack, NEHA; 2019 Snyder Award winner LCDR Katie L. Bante and Kevan Lawlor, NSF.

Several NSF staff members participated in the National Environmental Health Association (NEHA)’s annual conference in Nashville, Tenn. the week of July 8. Our CEO presented an award and received an award, we presented a scholar intern award, two staff members gave educational sessions and we sponsored the NEHA president’s reception.

Second FOG Prevention Conference Draws Diverse Crowd and Spurs Important Discussion

March 12, 2018

In February 2018, NSF hosted its second annual Fat, Oil and Grease (FOG) Prevention Conference, bringing together a range of industry professionals from plumbing inspectors and consultants to engineers and municipal city officials.

NSF Appoints Dave Purkiss Vice President of Global Water Division

February 19, 2018

A 30-year veteran of NSF, Purkiss has deep expertise in water treatment and distribution systems

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