Best Water Conservation Certifications for Buildings & Products

Water conservation certifications help building owners, product manufacturers, and organizations demonstrate responsible water use. As water scarcity intensifies globally, these programs provide benchmarks and verification for reducing consumption, protecting watersheds, and improving water efficiency.

9 programs ranked·Updated March 2026

WaterSense labeled products

United States Environmental Protection Agency (EPA)

The EPA's certification for water-efficient products including fixtures, irrigation equipment, and appliances. WaterSense products use at least 20% less water than standard models.

For Products

From $0View WaterSense labeled products

WaterSense labeled commercial buildings

United States Environmental Protection Agency (EPA)

The EPA's water efficiency certification for commercial buildings. WaterSense benchmarks and certifies buildings that use significantly less water than comparable facilities.

For Buildings

From $0View WaterSense labeled commercial buildings

WaterSense labeled homes

United States Environmental Protection Agency (EPA)

Certifies newly built homes that meet strict water efficiency criteria. WaterSense homes use about 20% less water than standard new construction through efficient fixtures and landscaping.

For Buildings

From $0View WaterSense labeled homes

WaterSense partner

United States Environmental Protection Agency (EPA)

EPA's partnership program for organizations committed to water efficiency. WaterSense partners commit to promoting water conservation and water-efficient products and practices.

For Organizations

From $0View WaterSense partner

Alliance for Water Stewardship Certified

Alliance for Water Stewardship

The global standard for responsible water use. AWS certification evaluates water governance, balance, quality, and habitat across an organization's operations and watershed context.

For Projects

From $4,000View Alliance for Water Stewardship Certified

Waterwise Marque

Waterwise

The UK's leading water efficiency certification. The Waterwise Marque recognizes buildings, products, and organizations that demonstrate excellent water efficiency practices.

For Buildings

View Waterwise Marque

Water Footprint Assessment

Water Footprint Network

Measures and certifies an organization's total water footprint including direct use, supply chain consumption, and pollution. Based on the Water Footprint Network's global methodology.

For Organizations

View Water Footprint Assessment

Water Efficiency Product Labelling Scheme

The Bathroom Manufacturers Association

A mandatory water efficiency rating for plumbing products in several countries. Helps consumers and specifiers compare the water performance of taps, toilets, showers, and appliances.

For Buildings

View Water Efficiency Product Labelling Scheme

China Water Conservation Certification

China Environmental United Certification Center

China's national water conservation certification for buildings and products. Required for government procurement and increasingly demanded by the private sector in China's growing green building market.

For Buildings

View China Water Conservation Certification

How we rank these certifications

Rankings are based on global market adoption, third-party recognition by standards bodies, number of certified projects or holders, geographic availability, and rigor of assessment requirements. Data is sourced from each program's official registry and our database of 748+ certification programs.