Municipal Water Systems and Products
Have your municipal water products and systems thoroughly tested and certified. This includes everything from water storage tanks and reservoirs to water meters and individual components.

NSF ensures compliance with local regulatory requirements for your municipal water products and systems across North America and key global markets, including the UK, France, Italy, Germany, and Brazil.
Explore Our Services
Use of NSF consulting services or attending NSF training sessions does not provide an advantage, nor is it linked in any way to the granting of certification.
Drainage Products Certification
Achieve global compliance by testing and certifying your drainage products to the highest industry standards.Municipal Water Treatment Systems and Products
Certify your products, components and materials used in the municipal water industry to meet health and safety requirements.Joining and Sealing Materials and Components
Test and certify joining and sealing products for use in plastic piping systems for potable and non-potable water.Plastic Materials and Ingredients
Test and certify plastic plumbing materials at NSF’s independent, on-site labs to meet North American and international requirements.Gasket and Gasket Material Certification
Certify gaskets and gasket materials to NSF/ANSI/CAN 61 for greater market access. Gasket cutters can streamline certification and save money.Water Quality Testing Device Certification
Get your water quality testing device (WQTD) tested and certified — as it makes a significant difference for regulatory compliance, product differentiation and marketability.NSF/ANSI/CAN 61 Testing and Certification
This standard sets benchmarks for evaluating water distribution products and materials. Learn about why it's required and accepted around the world.Electrical Safety Certification for Water Products
Ensure your products meet the United States NRTL certification requirements of OSHA and the Canadian Electric Code requirements of the SCC.DWI UK Regulation 31 Approval Testing
NSF is a DWI-designated and UKAS-accredited laboratory providing complete UK Regulation 31 (Reg 31) testing services. We support BS 6920 and leachate studies under one roof, helping streamline your route to approval.NSF/ANSI 419 – Public Drinking Water Equipment Performance
Independent verification of public drinking water treatment equipment performance.Regional Certification and Approvals
NSF helps manufacturers of water treatment, distribution, plumbing and residential water filtration products gain access to global markets.Electrical Safety
NSF performs electrical safety certifications for food equipment, municipal water products and systems, on-site wastewater products and pool and spa equipment.Management Systems
From quality, environmental, health and safety, and information security management systems to auditing and verification/validation, our comprehensive programs provide a total solution to add value and improve and protect your business.
Resources

EU-MHR Technical Webinar
WebinarCountdown to EU-MHR: Everything You Need To Know. Get useful insights about key requirements, certification and how to prepare for the upcoming changes under the new Drinking Water Directive.
EU-MHR Readiness Research Report
ArticleNew NSF research reveals a significant EU-MHR readiness gap: while 99% of manufacturers feel ready, only 7% have completed a gap assessment.
UK Regulation 31: Frequently Asked Questions
ArticleTo support manufacturers in understanding the requirements of UK Regulation 31, we consolidated FAQ with the most common questions we receive.
How NSF Can Help You
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