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Has Water Efficiency Label

Certification

The product (typically a plumbing fixture, fitting, or irrigation control) has been independently certified to a published water-efficiency specification, using measurably less water than a standard product in its category while meeting performance criteria. This is a use-phase water claim about the product itself — distinct from site or corporate water stewardship claims.

You might see it written as: WaterSense Labeled · WaterSense Certified · EPA WaterSense · Water Efficient Product · Water Efficiency Certified

Speaks to: Ecosystem health

This entry is in review — facts are authored but not yet verified against current source documentation.

Low greenwash risk

Usually backed by verifiable documents.

LEED v4/v4.1's Indoor Water Use Reduction prerequisite requires WaterSense-labeled fixtures for fixture types where a WaterSense specification exists (US projects) — hence 'required_by' scoped to applicable fixture types.

Verify the product is currently listed in the EPA WaterSense registry; certification is maintained by licensed certifying bodies and products can be delisted.

What backs it up

  • WaterSense Label →

    Must be at least: Third-party verified

    Check it states: Product Model, Certifying Body

    Verify the model's current listing in the EPA WaterSense product registry.

Where it counts