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.


Additional Resources

If you find WEF's Skills Builder tool useful, you may want to check out the following additional study materials:

If you are interested in additional technical knowledge, order a copy of the source material used for WEF's Skills Builder.


The Water Environment Federation would like to thank the following members who helped review the bank of questions provided for Skills Builder:

  • Lynn Brabec, City of Elkhart, IN
  • Bess Clancy, County of Brunswick (NC)
  • Margaret Doss, Columbia County Waterworks (GA)
  • Ernie Earn, Georgia Department of Natural Resources
  • Starlin Jones, City of Sparks (NV)
  • Kim Riddell, City of Delphos (OH)
  • Kevin Winnett, Dow Chemical
  • John Young, Savannah River National Laboratory