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WaterSense: Meets EPA Critera WaterSense Seal An EPA Partnership Program

Compendium of Product & Program Specifications

Products bearing the WaterSense label are generally 20 percent more water–efficient than similar products in the marketplace. The WaterSense label helps you identify high-performing, water–efficient products, and new homes, as well as professional certification programs that embrace and encourage the use of water–efficient design. EPA develops specifications that set outline the requirements that products and programs must meet to earn the WaterSense label:

For an overview of current and proposed national standards and voluntary specifications for a variety of water-using fixtures and appliances, please see the National Efficiency Standards and Specifications for Water-Using Appliances and Equipment (PDF) (9 pp, 168K, About PDF)Exit EPA Disclaimer table.

Notices of Intent

WaterSense has announced its intent to develop or revise specifications for the following product categories and programs:

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Draft Specifications:

WaterSense has issued draft product specifications for public comment and is working to develop final product specifications for the following product categories:

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Final Specifications and Clarifications:


WaterSense has issued final product specifications and technical clarifications for the following product categories:

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New Homes

WaterSense has issued a revised final specification for new homes:

Professional Certification Programs

WaterSense has issued final specifications for professional certification programs:

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Certification and Labeling


The WaterSense Product Certification System guides the product certification and labeling process. To use the WaterSense label on products, manufacturers must first confirm their eligibility and become partners.

WaterSense has also developed a draft Professional Certification Program Labeling System, which will create and institute a common set of requirements for the WaterSense program specifications. The draft certification system is currently available for review and partner and stakeholder feedback.

New Homes

The WaterSense Labeled New Home Certification System outlines the process and procedures for the inspection and certification of WaterSense labeled new homes. Builders interested in building new homes to the WaterSense specification and obtaining the WaterSense label must first confirm their eligibility and become partners. Licensed certification providers interested in certifying new homes for the WaterSense program must also become WaterSense partners.

Program Documents

Manufacturers, licensed certifying bodies, builders, and licensed certification providers must adhere to the requirements of all relevant final product specifications and technical clarifications, the relevant certification system, and the following program documents:

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