Water and Wastewater Treatment

More than 16,000 publicly owned water resource recovery facilities operate in the United States. Skilled engineers and operators work together to ensure new and updated facilities continue to protect public health and the environment.


The latest water and wastewater articles, videos, and other content from throughout the organization and across the water sector.

Industrial Water Resources
Second Annual WEF Circular Water Economy Summit to Drive Sustainable Solutions

The Water Environment Federation’s second annual Circular Water Economy Summit (CWES) will take place in Dallas, Texas, July 15-17. This unique event gathers ...

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Industrial Water Resources
Preview the 2024 Program

Click through the digital WEFTEC 2024 Conference Preview to learn more about the 2024 educational programming, see who is exhibiting, begin to plan your WEFTEC ...

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Water & Wastewater Treatment
Forward Thinking Utility Knows the Value of Advanced Technology

*Sponsored Content* Greenville, South Carolina Renewable Water Resources (REWA) is responsible for the county’s wastewater infrastructure. For 20 years, ReWa relied ...

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Water & Wastewater Treatment
Safeguarding the Snake River with ProFlex™ Check Valves

*Sponsored Content* Discover how Proco Products, in collaboration with CONSOR Engineers and Ballard Marine Construction, upgraded Ontario, Oregon's wastewater ...

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Apply to Be a WEF Comms Scholar

The WEF Comms Scholarship helps communications professionals in the water sector attend WEFTEC. Ten winners will receive full conference and exhibition ...

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Industrial Water Resources
Our Blue World: A Water Odyssey Film to Launch on Earth Day 2024

A powerful new film exploring humanity’s profound relationship with water launches on Earth Day, 22 April, 2024, in New York City.

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Water and Wastewater Treatment Resources

The featured resources below are just a sample of everything WEF has to offer. Search our entire website and technical resource database for more.


Design of Water Resource Recovery Facilities

The 6th edition of WEF Manual of Practice No. 8 is the principal reference for contemporary facility design practices of wastewater engineering.

Get MOP 8

Schroepfer Innovative Facility Design Medal

This medal recognizes excellence in conceiving and directing the design of a project to achieve substantial cost savings or economic benefit while achieving environmental objectives.

More about the Schroepfer Medal

Planning, Design, and Implementation for New and Upgraded Water Resource Recovery Facilities

The second edition of WEF Manual of Practice No. 28 serves as a guidance document to help utility managers and others, such as city engineers, public works directors, regulators, and contractors, navigate this process.

Get MOP 28

LIFT Intelligent Water Systems Challenge

This challenge seeks to foster the adoption of smart water technologies by showcasing the ability of intelligent water systems to effectively leverage data for better decisions.

More about the IWS Challenge
06 June


Save the Date for the WEF/IWA Innovations in Process Engineering 2023 Conference, taking place June 6-9, 2023 in Portland, Oregon. This conference is focused on innovations in treatment technologies and process engineering.

Learn More about IPE 2023

Find the Communities You Need


MRRDC serves as the home of WEF members who share common technical interests in municipal wastewater treatment design and are drawn together to be the stewards of this knowledge area. The community develops, recommends, supports, and conducts programs of general and technical information relating to the advancement of municipal wastewater treatment design practices.



This community's volunteers serve as WEF's technical resources on water recycling, from planning and public outreach to treatment processes and distribution. Community members develop workshops, technical sessions, books, and webcasts; author articles; and provide comment on water reuse policies and positions.

Join the Water Reuse Community

Join or Renew Your WEF Membership Today

Connect with our community of water professionals who ensure that our local communities have access to clean water that protects public health. Explore our member benefits and find the membership type that’s right for you.

Join or Renew Online

Visit Our Community Platform

This virtual workspace, called WEFUnity, empowers WEF members to network and collaborate in an online environment.

See what's happening in the Community Platform


WEF is a source of high-quality technical resources featuring the latest research, news, and education. WEF's members and other credible resources have created and compiled this information into the Practice Area groupings listed in the dropdown menu.