alert
System Maintenance
1713560400

WERI unavailable until Monday, April 22

close
alert
Estimated Bill?
1706215281

Send us your meter reading

close
alert
Water Service Turned Off?
1703890800

Find out how to get your water turned back on.

close

On Monday, May 6, 2024, the Washington Suburban Sanitary Commission (WSSC) licensing exams will be updated.

Exam Bulletin

The updates include the following,

  • The exam has been updated from the 2018 to the 2021 edition of codes
    • 2021 WSSC Plumbing and Fuel Gas Code
    • 2021 International Plumbing Code
    • 2021 International Fuel Gas Code
  • Safety questions are based on “Code of Federal Regulations - 29 CFR Part 1926, Selections by PSI”
  • The distribution of questions for each exam has been revised

Please see the exam bulletin for the following,

  • Eligibility requirements
  • Applying for the exam
  • Preparing for the exam
  • Reference materials
  • Exam content
  • Exam Fees
  • Scheduling procedures
  • Test center location
  • Sample questions
  • Exam application forms

The WSSC exams are proctored by PSI Services LLC (PSI). PSI is a nationally recognized test development and test administration services company headquartered in Glendale, California.  For information concerning the examinations, call PSI at (855) 746-8173.

If you have any other questions, please contact Chris Imhof, Technical Standards Engineering Manager, christopher.imhof@wsscwater.com or 301.206.8514.