AWWA's Water System Operations (WSO) series is the leading operator certification training, aligned with current Association of Boards of Certification (ABC) Need-to-Know criteria and offering training based on experience and certification level. Water Treatment, Grades 3 and 4, is organized into 15 chapters addressing core test content on certification exams. Chapters discuss regulations, operator math and chemistry, and specific treatment processes in detail. Other chapters cover water quality testing, electrical and monitoring systems, treatment plant safety, and monitoring and recording requirements. Everything you need to know to pass your Grade 3 & 4 exam is included in this book.

Energy costs are a large portion of the operational budget for water and wastewater utilities, second only to staffing. This handbook provides information and insight into energy management strategies that can reduce operational costs, increase operational efficiencies, and develop a more sustainable infrastructure. Following the popular plan-do-act-check framework, this book provides an overview of key steps in developing and implementing an energy management program. The importance of establishing an energy team, benchmarking energy use, performing audits, and using economic analysis tools to prioritize is discussed. The authors also summarize the wide variety of management measures that can be used to reduce energy use and associated costs, including operational improvements, water efficiency strategies, and asset management programs. Paying particular attention to pumping, the book describes how motor assessment and maintenance can improve energy efficiency. Renewable energy options--solar, wind, and microhydro technologies-are discussed as are external funding sources and innovative financing methods including energy performance contracting and leasing options.

AWWA's Water System Operations (WSO) series is the leading operator certification training, aligned with current Association of Boards of Certification (ABC) Need-to-Know criteria and offering training based on experience and certification level. Water Treatment, Grades 3 and 4, is organized into 15 chapters addressing core test content on certification exams. Chapters discuss regulations, operator math and chemistry, and specific treatment processes in detail. Other chapters cover water quality testing, electrical and monitoring systems, treatment plant safety, and monitoring and recording requirements. Everything you need to know to pass your Grade 3 & 4 exam is included in this book. To reinforce learning, the book includes full-color illustrations and links to video clips, as well as questions at the end of each chapter. Key Features: Developed in accordance with the latest ABC criteria Focuses on specific experience and certification level Includes additional study questions at the end of each chapter Access to more than 100 videos for additional learning is included

AWWA's Water System Operations (WSO) series is the leading operator certification training, aligned with current Association of Boards of Certification (ABC) Need-to-Know criteria and offering training based on experience and certification level. Water Treatment, Grade 1, is organized into 21 chapters addressing core test content on certification exams. Chapters discuss regulations, operator math and chemistry, and specific treatment processes in detail. Other chapters cover water quality testing, electrical and monitoring systems, treatment plant safety, and monitoring and recording requirements. Everything you need to know to pass your Grade 1 exam is included in this book. To reinforce learning, the book includes full-color illustrations and links to video clips, as well as questions at the end of each chapter. Key Features: Developed in accordance with the latest ABC criteria Focuses on specific experience and certification level Includes additional study questions at the end of each chapter Access to more than 100 videos for additional learning is included

Biological nutrient removal (BNR), the removal of nitrogen and phosphorus from wastewater, is a complex process. Although the activated sludge process is an efficient technology for the removal of biochemical oxygen demand (BOD) and total suspended solids (TSS), it provides less-than-optimal conditions for the removal of nitrogen and phosphorus, and presents numerous challenges to the operator trying to satisfy the many requirements for several different groups of bacteria. In addition to satisfying the requirements there are numerous, highly variable operational conditions that impact BNR. These conditions include: changes in strength and composition of the wastewater, alkalinity and pH, temperature, and presence of inhibitory and toxic wastes. Even fluctuations in flows, especially from inflow and infiltration, can adversely impact the aerobic, anoxic, and anaerobic conditions needed for successful BNR. Of the three treatment processes, nitrification, denitrification, and enhanced biological removal, nitrification is often the most difficult to achieve. Therefore, a large portion of this book reviews nitrification. Operators of the activated sludge process need to understand the basic biological, chemical, and physical requirements for BNR in order to improve the performance of these treatment processes. An Operator’s Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process is intended to help operators in the monitoring, troubleshooting, and process control of BNR. Numerous tables and figures are included in the book to help the operator understand the biological and chemical reactions that are involved in BNR processes and how the reactions can be monitored for process control. Design of BNR processes is not addressed in this book. Design is addressed in numerous engineering publications. The book serves to help operators achieve permit compliance for nitrogen and phosphorus discharge limits and obtain cost-effective operation.

The presence of iron and manganese in drinking water are generally not hazardous to health. However, there are few things are more alarming to customers than seeing red water or black water come out of their faucets. This book offers an analysis of current and emerging methods for iron and manganese removal as well as guidance for handling residuals. Using firsthand field experience and detailed case studies, the authors explain the processes to follow.In this new edition, more detail is devoted to the selection and design of the treatment process and to minimizing the use of vendor-engineered packages that have become so common throughout the industry. Unit processes are described and calculations are provided so that the reader can understand the impacts of changes to the design components. This edition also attempts to address the question of why decisions are made and standards followed.John Civardi and Mark Tompeck have donated their royalties from the sale of this book to the Hatch Mott MacDonald Endowed Scholarship at the New Jersey Institute of Technology.

In this brief, a comprehensive review of the UV/visible-TiO2 photocatalytic oxidation process is presented with an insight into the mechanisms involved, the role of titanium dioxide as a catalyst, irradiation sources, types of reactors, and a comparison between various modes of TiO2 application. An overview of the development and enhancement of the activity of TiO2 nanoparticles in photocatalysis is presented. The topics covered include a detailed look at the unique properties of the TiO2 nanoparticles and their relationship to photocatalytic properties. The utilization of the TiO2 nanoparticles as photocatalysts, in the non-doped and doped forms is also reviewed. Finally, the use of modified TiO2 nanoparticles has made a significant contribution in providing definitive mechanistic information regarding the visible light photocatalytic processes.

This handbook describes the application, design, operation, control, and optimization of ozone facilities in drinking water treatment plants.For utilties that either use ozone or are considering its use, this book is a total resource for information about ozone water treatment systems. The book explains why and how ozone is currently being used and presents important design, operation, and maintenance considerations. For laboratories and researchers that are involved with bench- or pilot-testing, the book describes how ozone is used in full-scale installations and describes scale-up issues.Regulatory agencies responsible for enforcement, design review, and inspections of plants that use ozone also will find this book helpful.. The book explains the theory and practice of ozone operation and how ozone disinfection performance is measured, calculated, reported, and optimized.

Incidents in the past have made scientists aware of the need for accurate methods of radionuclide analyses in order to estimate the risk to the public from released radioactivity. This book is an authoritative, up-to-date collection of research contributions presented at the 12th International Symposium on Environmental Radiochemical Analysis. Representing the work of leading scientists from across the globe it presents information on radiochemical analysis, measurement of radioactivity, naturally occurring radioactive materials, radioactively contaminated land, fate of radionuclides in natural and engineered environments and behaviour and analysis of radionuclides in radioactive wastes. This essential work will be a key reference for graduates and professionals who work across fields involving analytical chemistry, environmental science and technology, and waste disposal.

"Biology of the Wetlands" discusses the characteristics and significance of the single- and multi-celled organisms found in wastewater treatment plants and the conditions that support their growth. This knowledge helps operators to make more informed process control decisions. Unlike typical texts written for design and consulting engineers and full of technical jargon, equations, and kinetics, this guide provides the necessary information in a format that is accessible and actionable for plant operators and technicians and helpful to others involved in wastewater treatment.

Good financial management is critical for the successful operation of both private and governmental water utilities. This book provides a complete information resource on sound financial and accounting practices and procedures for water utilities.Intended for financial staff, managers, and executives of water utilities, the book covers these topics and more:Water utility managementFunctions of financial managementStandardized methods of accounting and reportingDeveloping projectionsBudgetingRates and revenuesO & M expensesAssets and liabilitiesTaxesCapital improvement planning and financingInternal controls and auditsThe included electronic Appendices, which will be delivered to your My Downloads, provide valuable support materials, including the complete NARUC UniformSystem of Accounts for Class A Water Utilities, and sample annual reports, interim financial reports, 10-K filing, and policy statements.

The fundamental objective of wastewater treatment is to reduce the concentration of contaminants in the wastewater to such a degree that safe discharge to a receiving water, either surface water or groundwater, can be accomplished. Achieving that goal requires the application of several fundamental principles of engineering. Among those are chemistry, biology, hydraulics, fluid mechanics and mathematics of varying types. This book provides a synopsis of the basic fundamentals of those disciplines, as well as an outline of the use of those principles to solve specific wastewater engineering problems. This is the second in a series of volumes designed to assist with mastering the principles of environmental engineering. Inside this volume, the author addresses the process of wastewater treatment; not the mechanics or the machinery and reactors used to do the work. No amount of machinery and reactor vessels will ever treat wastewater effectively unless the process of using the equipment is properly developed first and properly utilized afterwards. A separate volume will address new and emerging technologies, updated regularly to cover those changes to the practice of wastewater treatment.

Safe drinking water is essential to human life. Ensuring Safe Drinking Water: Learning From Frontline Experience with Contamination provides those who carry responsibility for ensuring safe drinking water an opportunity to learn from the experiences of others. This book presents 21 case studies-10 waterborne disease outbreaks, 7 cases of severe chemical contamination, and 4 close calls-written largely from the perspective of frontline personnel who experienced the events as they unfolded. For each case, distinguished authors Steve E. Hrudey and Elizabeth J. Hrudey have provided background, operational details, illustrations, questions to ponder, lessons learned, and more, to allow professionals to imagine themselves in these circumstances and see how these experiences can help them in ensuring the safety of their own systems. Ensuring Safe Drinking Water is essential reading for operators, supervisors, foremen, managers, administrative officers, commissioners, councilors, local officials, utility board members, regulators, and public health agency personnel. Accessible and urgent, the book is intended to spark discussion and exchange. Its true-life stories of how things can go wrong lay out what's at stake in the crucial work that water professionals perform every day.

"Combustion Ash and Residue Management" assists owners and operators of Coal-fired and Resource Recovery Power Plants. By applying the principles and reviewing the case studies examples described within this book, accidents and upsets can be avoided and regulatory permitting can be achieved - reducing costs.

This unique book is an essential reference for anybody responsible for disposal or utilization of combustion residues. It reflects over 30 years of engineering practice, applying the principles of concrete chemistry and civil engineering/soil mechanics as confirmed by field data. Dr. Richard Goodwin assesses the composition and environmental impact of combustion residues, and provides not only best practices for safe disposal, but also a blueprint for effective reuse, including applications like structural fill, grout, and capping material.

Case studies and cost information for ash disposal options are included, in addition to the lessons learned by high-profile failures, such as the TVA Kingston fossil plant coal fly ash slurry spill in 2008. It also applies engineering principles to discuss how to avoid future upsets, including better operator training and monitoring methods.
A comprehensive update to reflect changes in legislation and practice, including new material on the safe disposal or beneficial use of coal ashA straightforward engineering approach, providing practical guidance and field dataWritten by an established expert in the field

Lavishly illustrated with 98 full-color figures, this book describes waterborne microorganisms-bacteria, viruses, protists, and others-of concern to water operators, as well as techniques for isolation and detection, chemistry, and disinfection. This third edition includes new sections on advancing microbiology laboratories and effective data communication, color drawings to accompany genera descriptions, 30 additional photographs, and a new appendix on decontamination of new mains.

Specially designed for in-the-field use, this comprehensive yet compact book will pay for itself over and over in the time you save looking for chemical and mathematic formulas, chemical feed rates, US/metric conversions, pipe and equipment data, operational parameters, construction and installation information, OSHA and USEPA regulations, and much more. More than 20 tables have been updated from the 2004 edition, to reflect information in current AWWA standards and manuals in this new edition. Many example calculations were converted to a more understandable format. Information has also been added on drought, emergency disinfection, membranes, nitrification, fluoridation, external corrosion, backflow prevention, PE pipe, fire flow requirements, sizing service lines and meters, and water audits and loss control, and more. Included is a CD with the checklists which can be printed multiple times along with color photos of the related signage. (Replaces ISBN 9781583213155)

As featured on the PBS series "How We Got to Now" Perhaps no other advancement of public health has been as significant. Yet, few know the intriguing story of a simple idea-disinfecting public water systems with chlorine-that in just 100 years has saved more lives than any other single health development in human history. At the turn of the 20th century, most scientists and doctors called the addition of chloride of lime, a poisonous chemical, to public water supplies not only a preposterous idea but also an illegal act - until a courageous physician, Dr. John L. Leal, working with George W. Fuller, the era's greatest sanitary engineer, proved it could be done safely and effectively on a large scale. This is the first book to tell the incredible true story of the first use of chlorine to disinfect a city water supply, in Jersey City, New Jersey, in 1908. This important book also corrects misinformation long-held in the historical record about who was responsible for this momentous event, giving overdue recognition to the true hero of the story-an unflagging champion of public health, Dr. John L. Leal. Download excerpt

AWWA's most popular handbook for distribution operator personnel is an indispensable reference for operators and supervisors alike on water distribution system operation and equipment. This fourth edition is based on the operator certification knowledge requirements included in the Associated Boards of Certification (ABC) Need-To-Know criteria, as well as that of several state certification boards (e.g. California, Pennsylvania, and Texas).What's new?Several new chapters cover topics that have emerged since the publication of the last edition, and others, including the regulatory overview chapter, were revised extensively. New chapters describe the management approach to distribution system operation and the operational practices operators can use to improve system performance. The disinfection of pipelines and storage facilities is now included as its own chapter.And the math calculations that distribution system operators need to know are included as concrete examples of what operators need to know.Additional coverage includes the types of water pipes, installation practices, excavation, pipe flushing and rehabilitation, storage tanks, water wells, pumps, motors, hydrants, meters, valves, corrosion prevention, leak detection, instrumentation and control, maps, records, and maintenance.In addition, the book covers basic hydraulic concepts, health issues, and maintaining water quality in the distribution system. Many cutaway illustrations, new equipment photos, metric conversions, formulas, and equations make it an ideal day-to-day reference.

Troubleshooting granular filters can take hours and frustrate even the most experienced water operators. Find and solve filter problems fast with this handbook. Authored by a filter designer and consultant who holds several patents in filtration, this book has all the information needed to troubleshoot granular media filters, understand how they work, and maintain optimum filter performance.Table of Contents1. Introduction2. Driving Head3. Plenum/Flume Hydraulics4. Filter Support Gravel5. Filter Media6. Underdrain7. Optimizing Backwash8. Filter Controls9. Gravity Filter Troubleshooting Procedures10. Pressure Filters11. Filter Maintenance12. SummaryAppendix: Water Treatment Chemistry and Jar Testing ProceduresAppendix: Troubleshooting ChecklistsAppendix: Historical Records