Operations & Maintenance

From hands-on-training and leadership opportunities, such as Operations Challenge, to online training, such as the Wastewater Treatment Fundamentals series, WEF provides operators with many opportunities to advance on-the-job knowledge and develop their careers.


The latest operations 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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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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Practice Areas
Updated: WEF Responds to U.S. EPA PFAS Rules

On April 10, 2024, the U.S. Environmental Protection Agency (USEPA) released the final rule for a Safe Drinking Water Act Maximum Contaminant Limit (MCL) regulation ...

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Industrial Water Resources
Save Big on WEF Publications Through 12/23

Save up to 30% on print and digital WEF publications through the end of the year!

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Industrial Water Resources
WEFTEC 2023 Exceeds Expectations

This year’s WEFTEC, the Water Environment Federation's Technical Exhibition and Conference, lived up to its reputation as the water sector's leading marketplace for ...

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Featured Operations and Maintenance 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.


Publications for Operators

From hands-on training and leadership opportunitie to our Operator Training Manuals series, WEF provides operators with various opportunities to advance your on-the-job knowledge and career.

Browse Operator Publications

Skills Builder for Operators

WEF's comprehensive Skills Builder quizzes incorporate math, safety, and a variety of other topics to help you test, maintain, and advance your operations and maintenance knowledge.

Test Your Knowledge

Operator Scholarship

This scholarship provides funding for individuals who are seeking water sector operator education, training, or certification to enter the water sector or advance their knowledge, skills, abilities or license.

More about the Operator Scholarship

Training Resources

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.

View Training/Certification Guides

Operations Challenge

Operations Challenge is the world’s premier skills competition for water resource recovery facility operators. As one of the most effective training and development tools for operators, it now has been replicated by several international organizations.

More about Operations Challenge

Find the Operations Communities You Need


The Operations Challenge Community coordinates the industry's premier professional-skills competition. Held annually at WEFTEC, the event recognizes excellence in wastewater operations. The committee develops and revises the competition protocols that demonstrate the span of skills necessary for contemporary water quality professionals. 

Join the Operations Challenge Community


The POMC meets online every four to eight weeks and face-to-face at the Midyear Meeting and at WEFTEC. The POMC is charged with developing operations and maintenance workshops, webinars, and training, as well as supporting operations and maintenance technical sessions at WEFTEC.

Join the Plant Operations and Maintenance 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.