Water Stewardship Assurance Services
Water Stewardship Assurance Services (WSAS) is the mission-driven assurance provider for the AWS Standard System.
WSAS shares the AWS vision of a water-secure world and contributes to our mission by providing credible assurance against the International Water Stewardship Standard (AWS) Standard. WSAS provides initial certification, surveillance, and re-certification services in line with requirements set by the AWS Technical Committee.
As the custodian of the AWS Standard, AWS oversees WSAS performance to maintain the quality, integrity and credibility of the assurance scheme.