Onsite Wastewater Systems

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

Certify water reuse technologies for residential or commercial properties to NSF/ANSI 350.

Amalgam Separators

Certify the efficiency of your dental amalgam separator to the requirements of ISO 11143.

Electrical

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

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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 International 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 International.

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 International 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 International Appoints Dave Purkiss Vice President of Global Water Division

February 19, 2018

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

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