Home Testing, Inspection and Certification Water Certification and Testing

Onsite Wastewater Systems Testing

Emptying a septic tank in the backyard - Onsite Wastewater Systems Testing | NSF
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

Redlines crossing out information on document - Standards Update NSF/ANSI 40, 245, 350, and 41 | NSF

Standards Updates

Standards Updates: NSF/ANSI 40, NSF/ANSI 245, NSF/ANSI 350, and NSF/ANSI 41

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.

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Two businessmen shake hands - Greyter Water Systems Expands Services with NSF | NSF

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.

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Black water pipes on sand - Ductile Iron Pipe and Fittings Standards | NSF

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.

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News and Events

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.

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