Save time and money with resources at your fingertips. The WEF Knowledge Center offers comprehensive online training materials for water professionals and students. Study at your own pace by taking one of our courses to obtain recommended continuing education credits. 13 courses are preapproved in 12 states.

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Skills Builder

Test your knowledge of wastewater and laboratory topics using Skills Builder — a set of quizzes provided by WEF as a free resource for operator education. The quizzes incorporate math, safety, and a variety of other topics. Skills Builder provides feedback on your answers as well as references for follow-up study sources. Results are completely confidential and are not recorded.

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Wastewater Operator Resources

WEF offers 30 courses with recommended CEUs, 13 of which are preapproved in 12 states.  After achieving a post-test score of 70% or higher all users will receive a certificate of completion with recommended credits. Learn more about what types of credits WEF offers, and which states are preapproved. 

  • Popular courses include Fundamentals of Disinfection and Fundamentals of Preliminary Treatment.

Keep your testing skills sharp with our online study aids and the Question of the Day.

Manager Resources

Managers can purchase courses for their operators, and track the students’ progress throughout the activities.

WEF offers over 50 soft skill courses in the areas of communication, leadership, management, and project management. The “ask-the-expert” feature allows learners to get a respond to their soft skill questions within 24 hours.

Stormwater Resources

WEF members can receive a 10% discount on Stormwater courses. Visit the "StormwaterONE" and "IECA" tabs above and email onlinetraining@wef.org for a promo code.

StormwaterONE has been in operation since 2007 and to date they have trained and credentialed over ten thousand construction professionals on the subject of stormwater management through their Internet-based learning system. The school's mission is to provide students with the most comprehensive and up to date training of individual stormwater permits.

The International Erosion Control Association’s (IECA) eLearning library provides you access to over 100 courses in Erosion & Sediment Control, Stormwater Management, Wetland, Stream Bank, & Shoreline Restoration and MS4 Management. From new technologies to latest regulations and case studies, IECA offers top notch courses taught by industry experts for industry professionals.