If included, irrigation systems must be audited by a professional certified by a WaterSense labeled program and include a controller or soil-moisture sensor that meets specified criteria. After June 1, 2013, controllers used must be WaterSense labeled.
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-specification-home-spec-v1.1 (PDF)(20 pp, 241 K)
- ws-specification-home-inspection-guidelines-v1.1 (PDF)(20 pp, 453 K)
- ws-specification-home-inspection-checklist-v1.1 (PDF)(4 pp, 112 K)
- ws-specification-home-irr-audit-checklist-v1.1 (PDF)(3 pp, 102 K)
- ws-specification-home-irr-audit-guidelines-v1.1_1 (PDF)(2 pp, 67 K)
- ws-specification-home-inspection-checklist-sampling-protocol-v1.1 (PDF)(3 pp, 63 K)
- ws-specification-home-inspection-mfsamplig-v1.1 (PDF)(3 pp, 55 K)
- ws-specification-home-builder-resource-manual-v1.1 (PDF)(76 pp, 926 K)
- ws-specification-home-hw-distribution-guide-v1.1 (PDF)(28 pp, 533 K)