NSF/ANSI 419 – Public Drinking Water Equipment Performance
Independent verification of public drinking water treatment equipment performance.
Demonstrate the effectiveness, reliability and safety of your public drinking water treatment technology through independent evaluation against NSF/ANSI 419. This standard provides a recognized framework for assessing treatment performance, including validation of Cryptosporidium reduction and other performance claims for public drinking water equipment.
Why NSF/ANSI 419 certification matters
Following the conclusion of the U.S. EPA Environmental Technology Verification (ETV) program, NSF/ANSI 419 was established as the American National Standard for evaluating the performance of public drinking water equipment.
A key component of the standard is its alignment with the EPA's Long Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR) performance requirements. The rule was developed to address public health risks associated with Cryptosporidium in drinking water supplies. NSF/ANSI 419 enables manufacturers to independently verify pathogen reduction claims using accepted test methodologies and surrogates that are appropriate for the technology being evaluated
Key benefits
- Demonstrate verified performance for public drinking water applications
- Support compliance strategies associated with EPA LT2ESWTR treatment objectives
- Verify Cryptosporidium reduction performance using recognized challenge testing protocols
- Establish credibility with utilities, regulators and end users
- Showcase commitment to safety, quality and regulatory readiness
Certification scope
Our NSF/ANSI 419 certification services are designed for manufacturers of public drinking water treatment equipment seeking third-party validation.
Performance verification
- Evaluation against NSF/ANSI 419 requirements
- Verification of Cryptosporidium reduction performance
- Testing protocols consistent with LT2ESWTR microbial challenge testing requirements
- Assessment using technology-appropriate testing methodologies and surrogates
Safety evaluation
- Material safety review aligned with NSF/ANSI/CAN 61: Drinking Water System Components – Health Effects
- Independent assessment of product safety characteristics
Optional advanced validation
- Microfiltration module evaluation for virus reduction claims
- Ultrafiltration module evaluation for virus reduction claims
Our certification process
- 1
Application review
Submit product information and technical documentation.
- 2
Testing and evaluation
Products undergo performance and safety testing aligned with NSF/ANSI 419 requirements.
- 3
Technical assessment
Independent experts review results and supporting evidence.
- 4
Certification decision
Qualified products receive certification and recognition of compliance.
Who should apply?
- Membrane filtration technology manufacturers
- Public drinking water equipment suppliers
- Water treatment solution providers
- Organizations seeking validated performance claims for municipal and public water applications
Why choose NSF?
- Independent third-party evaluation
- LT2ESWTR-aligned performance verification
- Expertise in drinking water treatment technologies
- NSF/ANSI/CAN 61 and NSF/ANSI 419 evaluation capabilities
- Trusted validation for market confidence
Ready to start certification?
Advance your market credibility with NSF/ANSI 419 certification services.
Explore your next step by using the Contact Us form below or download our brochure.
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