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This manual provides the user with both general and technical information to aid in design, procurement, installation, and maintenance of PVC pipe and fittings. This manual presents a discussion of recommended practices. It is not intended to be a technical commentary on AWWA standards that apply to PVC pipe, fittings, and related appurtenances. Topics covered include: general properties of ...
The following AWWA Standards are effective on March 1, 2019: B201-18 Soda Ash B304-18 Liquid Oxygen for Ozone Generaton for Water, Wastewater and Reclaimed ...
The distribution of reclaimed water using dual water distribution systems, one for potable water and the other for nonpotable water, is a widely accepted practice. Some drivers for the increasing use of reclaimed water include diminishing supplies of high-quality water resources, escalating costs for developing new sources or for treating poor-quality water to potable-water standards, and the ...
The following AWWA Standards are effective January 1, 2019: C502-18 Dry-Barrel Fire Hydrants C503-18 Wet-Barrel Fire Hydrants C518-18 Double-Disc Swing-Check Valves for Waterworks Service C521-18 Plastic Ball Valves G410-18 Business Practices for Operation and ...
Sustainable chemistry technology, EcoBioClean®, degrades crude oil, catalyzing conversion into energy source used by microorganisms and other ...
AWWA’s most popular operator training aid, this study guide is specially designed to give water operators and students practice in answering questions that are similar in format and content to the questions that appear on state certification exams. Sample questions and answers for both water treatment and distribution systems are included. This study guide was developed by AWWA in cooperation ...
The following AWWA Standards will be effective June 2018: ANSI/AWWA B604-18 Granular Activated Carbon ANSI/AWWA B605-18 Reactivation of Granular Activated Carbon ANSI/AWWA G485-18 Direct Potable Reuse Program ...
The following AWWA Standards will be effective May 2018: ANSI/AWWA B303-18 Sodium Chlorite ANSI/AWWA B408-18 Liquid Polyaluminum Chloride ANSI/AWWA B510-18 Carbon Dioxide ANSI/AWWA C222-18 Polyurethane Coatings and Linings ANSI/AWWA C655-18 Field ...
The paradigm for financing water infrastructure is changing. As the need for investment is becoming more urgent, governments are finding themselves increasingly constrained by their over stretched balance sheets. At the same time demographic change is driving demand for investments which can deliver a steady yield with a low degree of risk – the kind of profile that only water can ...
Computer modeling is a water utility’s most powerful tool for managing and operating a water distribution system. This 4th edition of M32 Computer Modeling of Water Distribution Systems, describes how to build accurate water distribution system models, and use models to manage assets and solve hydraulic and water quality problems. The manual discusses how to use models to: Predict pressures and ...
Hazardous Pollutants in Biological Treatment Systems examines the behaviour, removal and effects of hazardous pollutants in biological treatment. While in former years the main aim in biological treatment was the removal of bulk organic matter or nutrients such as nitrogen and phosphorus, due to the discharge of a number of specific inorganic or organic hazardous compounds into wastewater ...
Distribution systems represent the last barrier available to water systems to maintain safe and high-quality water, and this manual provides a “first stop” for common distribution system water quality challenges. M68 offers practical guidance and best management practices for maintaining and improving distribution system water quality. It will help drinking water utilities and professionals ...
Regulations and water quality standards define the market for water technology. This is putting greater focus on safeguarding public and environmental health through compliance to more stringent regulation and quality standards, and is shaping the technology needs and opportunities in different water markets for the years to come. The GWI Global Regulations Package contains: The WaterData ...
The following AWWA Standards will be effective July 2017: ANSI/AWWA B511 Potassium Hydroxide (October 13, 2016) ANSI/AWWA C600-17 Installation of Ductile-Iron Mains and Their Appurtenances (February 14, 2017) ANSI/AWWA D115-17 Tendon-Prestressed Concrete Water Tanks (February 17, 2017) ANSI/AWWA E102-17 Submersible Vertical Turbine Pumps (February 23, ...
The following AWWA Standards will be effective June 2017: ANSI/AWWA B550-17 Calcium Chloride (October 13, 2016) ANSI/AWWA B602-17 Copper Sulfate (January 30, 2017) ANSI/AWWA C151/A.21.51-17 Ductile-Iron Pipe, Centrifugally Cast (February 14, 2017) ANSI/AWWA C508-17 Swing-Check Valves for Waterworks Service, 2-In. Through 48-In. (50-mm Through 1,200-mm) NPS (January 3, ...
This manual of best practices provides complete information for designing, installing, and maintaining steel pipe and fittings for potable water transmission and distribution. M11 has been completely updated with new and revised information has been incorporated into every chapter within the fifth edition. Additional information on, fittings design, welded joint design, suggested bracing for ...
Internal pipe corrosion in the water distribution system is a significant concern and can cause problems with water quality degradation, customer complaints, reduced pipe capacity, and home plumbing failures. This manual is intended to equip water professionals with the essential information regarding the design, implementation, and maintenance of an effective corrosion control program. It ...
Analysts, researchers, and regulators have relied on this peer-reviewed publication since 1905. The trusted source of accurate, proven methodology for analyzing natural waters, water supplies, and wastewaters. The 23rd edition of Standard Methods for the Examination of Water and Wastewater® contains over 400 laboratory methods for the analysis of: Dissolved Solids Metals Free and Total ...
This comprehensive, how-to manual and guide demonstrates how to produce a long term Integrated Resource Plan for a water utility. It helps water resources planners develop and implement a comprehensive work plan that responds to technical and institutional questions that must be addressed before deciding how to develop new water supplies. The third edition has been completely re-arranged to ...
This book reveals the power of engaging the public when communicating the value of water when it involves wastewater, stormwater and watersheds. Through stories of success and why communications can fail, this book is written for wastewater utilities, watershed stewards and stormwater managers, engineers, operators, stakeholders, elected officials, and anyone that truly wants to make a difference ...