This WaterSense Product Certification System (product certification system) specifies the minimum requirements that EPA-licensed product certifying bodies (licensed certifying bodies) shall observe when operating third-party certifications of product conformance to WaterSense product specifications and authorizing the use of the WaterSense label.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- ws-certification-system (PDF)(24 pp, 218 K)
- ws-certification-system-comment-response (PDF)(29 pp, 181 K)
- ws-certification-scheme-revised-comment-compilation (PDF)(31 pp, 168 K)
- ws-certification-scheme-revised (PDF)(19 pp, 140 K)
- ws-certification-scheme-revised-track-changes (PDF)(19 pp, 128 K)
- ws-certification-scheme-revised-supp-statement (PDF)(12 pp, 107 K)
- ws-certification-scheme-revised-meeting-summary (PDF)(13 pp, 104 K)
- ws-certification-revised-system-presentation (PDF)(54 pp, 230 K)
- ws-certification-system-revised (PDF)(16 pp, 173 K)
- ws-certification-scheme-comment-response (PDF)(33 pp, 176 K)
- ws-certification-scheme-comments (PDF)(33 pp, 154 K)
- ws-certification-scheme-presentation (PDF)(29 pp, 201 K)
- ws-certification-scheme-summary (PDF)(11 pp, 77 K)
- ws-certification-scheme-cover-letter (PDF)(3 pp, 121 K)
- ws-certification-scheme-draft (PDF)(22 pp, 136 K)