WEF's peer-reviewed standards and other publications are intended to provide information through a review of technical practices and detailed procedures that research and experience have shown to be functional and practical. These peer-review standards and other publications are essential to helping water quality professionals enhance their skills, further their technical knowledge, and advance their careers in the circular water economy.

Technical Publications
WEF’s technical publications include essential standards and Manuals of Practice (MOPs), which document the established best practices in the industry, as well as special publications on emerging topics. All WEF technical publications are peer-reviewed and developed by industry experts. Visit ShopWEF to browse and purchase WEF publications.

Study Guides
WEF study guides are designed for today’s professional operators. Our guides cover a wide range of facility operations including, biosolids, collection systems, laboratory testing, and wastewater operations. Several of our guides are written with ABC and C₂EP to help operators prepare for the certification examinations. To browse our study guides, please visit ShopWEF.

Released in 2025

Integrated Planning Roadmap NEW!

Biofilm Reactors, MOP 35, 2nd Edition NEW!

Activated Sludge and Nutrient Removal, MOP OM-9, 4^th Edition NEW!

Financing and Charges for Wastewater Systems, MOP 27, 5th Ed. NEW!

Anaerobic Co-digestion: Principles and Guidelines Toward More Efficient Systems   NEW!

Flagship Publications 

Wastewater Treatment Fundamentals Operator Training Series 

Design of Water Resource Recovery Facilities, MOP 8, 7th Edition Pre-Order Today! 

Standards for Operation of Water Resource Recovery Facilities, WEF 11 

Standards for Design of Water Resource Recovery Facilities, WEF 8 

Wastewater Engineering: Design of Water Resource Recovery Facilities

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