A Guide to Asset Management: What, Why, and How is a comprehensive guide to the thought process of asset management. Often people think of asset management as a technology-driven activity—what can you do with a computer or with software—rather than realizing that it is first and foremost a way of thinking. It is a strategic process that involves five main components: current state of the assets, level of service, criticality, life cycle costing, and long-term funding. The book describes each of these components, along with ancillary topics that are necessary to fully understand and implement asset management, including:
• The Asset Management Plan
• Getting Started
• Measuring Progress
• Assessing Triple Bottom Line Benefits
• Tools and Resources Available

The circular water economy reimagines water as a renewable, regenerative resource—one that can be continuously recovered, reused, and reintegrated to create value across communities, industries, and ecosystems. This book provides a comprehensive exploration of this transformative approach, centered on three core strategies: Reduce, Recover, and Regenerate. Readers will gain a clear understanding and definition of each core strategy, along with practical insights into their financial benefits, supporting technologies, and implementation frameworks. The book also highlights the importance of public outreach and stakeholder engagement in driving successful adoption. Through real-world case studies, this resource demonstrates how circular water principles can be applied across diverse settings, offering actionable guidance for utilities, policymakers, engineers, and sustainability professionals seeking to build more resilient and efficient water systems.

Wastewater Treatment Fundamentals II—Solids Handling and Support Systems, 2nd Edition covers all aspects of solids handling and support systems and helps operators prepare for the first three levels of certification examinations. This new edition covers all aspects of solids handling and support systems and offers the chance to understand additional coverage on thickening options, expanded coverage of anaerobic digestion and streamlined electrical coverage geared towards operators. After learning from real-life examples, users can apply the material they learn to situations they encounter in their day-to-day work.
Wastewater Treatment Fundamentals II—Solids Handling and Support System, 2nd Edition s covers:
•Robust coverage of Wastewater Treatment Operator exam topics and WPI Need-to-Know Criteria
•Peer reviewed
•1000+ practice questions to test your knowledge at the end of each chapter
•In-depth chapter summaries to reinforce key concepts
•Extensive chapter exercises and solution sets to enhance your math skills
This self-study manual aligns with updated Need-to-Know Criteria from the Water Professionals International (WPI) and is based on WEFs extensive existing resource collection.

Design of Water Resource Recovery Facilities (MOP 8) is the principal reference for design of wastewater treatment, reflecting the approaches and practices of the industry’s leading experts. Part of the MOP 8 series, this manual is written for design professionals and features the most comprehensive coverage available of water resource recovery facility (WRRF) design. The 7th edition provides coverage of a wide variety of updated technologies and processes for wastewater treatment: • Current screening and grit technologies; • Emerging technologies for primary filtration; • Advances in membrane biofilm reactors, suspended-biofilm reactors, and evolving biofilm reactors; • Advances in tertiary treatment processes and technologies, including significant attention to PFAS; • Coverage of recent technological advancements in sidestream nitrogen removal and nutrient recovery; • Updated information related to peracids and other emerging disinfection technologies; • Expanded coverage of thermal technologies; and • Advances in biosolids handling, including improvements in sludge thickening and dewatering technologies.

Resource Recovery Handbook provides a complete introductory overview of modern resource recovery issues and a framework for future exploration and implementation. This new handbook combines three previously released WEF resources—Water Reuse Roadmap, Nutrient Roadmap, and Energy Roadmap—and lends itself to WEF’s Circular Water Economy initiative. It covers the latest technologies as they relate to water, nutrients, energy, and other resources available for recovery within wastewater systems. Planners, managers, elected officials, academic researchers, engineers, and operators will all find useful and practical guidance on converting their wastewater utility into a resource recovery facility.

This manual is a practical guide to integrated planning, a holistic approach that recognizes the interconnectedness of various systems and the importance of considering social, environmental, and economic tradeoffs. The industry leaders who developed this manual aimed to create a roadmap that is both innovative and practical, addressing the unique challenges and opportunities that lie ahead. Integrated planning is a regulatory framework under the Clean Water Act that aims to create more economical and sustainable outcomes, resulting in better overall water quality. By voluntarily adopting integrated planning, municipal and utility planners can identify and implement wastewater, stormwater, and drinking water infrastructure projects that provide optimal solutions for their communities. This approach helps balance resiliency and sustainability with regulatory obligations, ensuring that municipalities and utilities meet their National Pollutant Discharge Elimination System permit requirements more efficiently.

Biofilm Reactor, MOP 35, 2nd Edition resource provides complete coverage of pure fixed-film and hybrid treatment systems, along with details on their design, performance, and operational issues. Biofilm Reactors discusses factors that affect the design of the various processes, appropriate design criteria and procedures, modeling techniques, equipment requirements, and construction methods. Operational issues associated with each type of process are presented, including potential problems and corrective actions. Real-world case studies illustrate the application of the technologies presented in this authoritative volume.

The fourth edition of Activated Sludge and Nutrient Removal, MOP OM-9 reflects industry best practices and the latest advances. It is the primary reference for the operation of the activated sludge process. Expanded content includes an updated process control section with step-by-step examples for calculations, a new laboratory chapter with detailed directions for common process control tests, and an introduction to using modeling for process control. Operators are guided through selecting an appropriate sludge age, calculating wasting rates, optimizing return-activated sludge flow, managing clarifier blankets, and setting DO and ORP set points. Advanced concepts in nutrient removal and biological process modeling are also addressed. Practice questions have been added to the end of each chapter to help the reader enhance their understanding of the material and retain information vital to solving performance problems and improving operations.

This 5th edition of Financing and Charges for Wastewater Systems provides an overview of current industry practices that should be considered for financing and establishing rates and charges for wastewater collection and treatment systems. In addition, this Manual of Practice reflects and is responsive to changes in the industry over the past 6 years that have occasioned a heightened awareness about wastewater utility financial management, the rapid rise in cost of operations and capital investment, and the increased scrutiny of equitable distribution of cost responsibilities across customer groups or classes. These events and changes, including tightening environ mental regulation and replacement of aging infrastructure, have resulted in a pronounced increase in the cost of wastewater services. Though there have been several federal initiatives over the past 6 years to infuse funding to the wastewater sector, costs have outpaced available funding and assistance and challenge the affordability of this vital service. In this context, guidance on wastewater rate-setting practices and, particularly, the distribution of costs across user groups are of critical importance. As individual wastewater utilities address their financial-management challenges, it is important that their practices for setting rates and charges be responsive to the unique circumstances and values of the communities they serve. Accordingly, this manual offers industry-accepted guidance in addressing these challenges without prescribing specific methods. In many instances, acceptable methodological alternatives are presented. Financing and Charges for Wastewater Systems is structured to provide the reader with an overview of financing mechanisms for wastewater systems and a framework for development of wastewater rates and charges.

This technical publication provides comprehensive guidelines and insights for the planning, design, operation, and maintenance of anaerobic co-digestion systems. The practice of co-digestion of wastewater residuals with high-strength organic wastes and harnessing the resulting biogas has been adopted by a growing number of water resource recovery utilities, particularly over the last decade. This technical publication intends to equip engineering and design professionals, researchers, operations and maintenance staff, educators, and students with a detailed understanding of fundamental concepts and practical applications of anaerobic co-digestion.