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Water Week Each year Water Week invites water professionals from across the nation to help advance key water policy priorities such as sustained growth in...

WEF Benefits Explore WEF member benefits, resources, and tools to support you. Become a Member or Renew Networking Opportunities and Career Resources Get access to...

2026 Award Recipients WEF is honored to annually recognize and congratulate those who make a lasting impact within the water community in many ways. Through...

Books & Study Guides Explore WEF's peer-reviewed standards and publications—trusted resources that empower water quality professionals with proven technical practices, practical procedures, and career-advancing insights...

A comprehensive, practical reference bringing together WEF's trusted Operator Essentials articles on treatment processes, equipment, maintenance, and safety. TheOperator Essentials: What Every Operator Needs to...

Practical, field-tested guidance for safely operating, maintaining, and managing biogas and renewable natural gas (RNG) facilities at water resource recovery facilities. Guidelines for the Safe...

Practical, authoritative guidance for evaluating, treating, reusing, and disposing of complex industrial and hazardous wastewater, updated with current practices, emerging technologies, and regulatory considerations. Industrial...

A study guide with updated Need-to-Know Criteria, sample exam questions, and practical test-taking tips to help collection system operators prepare with confidence for certification. WEF/WPI/C2EP...

This map showcases real-world case studies from around the globe demonstrating circular water economy practices. Each point represents a project categorized under one of the...

Member Associations WEF Member Associations offer global members technical conferences, operator training, certification, legislative updates, and educational programs to advance water quality expertise. WEF’s Member...