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Certification for Wastewater Professionals
Download Certification Study Guides
Certification study guides will be available for download on Wednesday, October 1, 2008. You will need your membership number and password to access the study guides.
Download a Certification Application
All applications can be downloaded here.

What You Need to Know About Computer-Based-Testing
In 2009, the TCP exams will transition into computer-based-format.  Learn more about CBT, try the online demo, and view the list of test sites offered. Please check back for new updates.

Lost Your Certificate or Need a Duplicate?
For a small fee you can receive a duplicate copy of your current certificate. Just click on the link for the form.
Plant Maintenance Grade IV Split into Electrical/Instrumentation Grade IV and Mechanical Technologist Grade IV
Beginning January 2007 the single management level Plant Maintenance Grade IV will be replaced by two separate specialty certifications: Mechanical Technologist Grade IV and Electrical/Instrumentation Grade IV.
Wastewater Occupation Certification
Find out more about wastewater employee certifications: when certification is required, the different certified vocations, and the benefits to employers and employees.
How to Become Certified in Your Wastewater Vocation
To become certified, you must qualify with the required education and experience and then pass a written test. Tests are given on the fourth Saturday in January and July. You must apply 3 months before the test date. CWEA offers candidate handbooks, study guides, and study sessions to help you pass your exam. Learn more about applying for certification and test preparation.
Certification Examiner Newsletter
The Certification Examiner is a newsletter for CWEA certificate holders, applicants, and employers. Quarterly issues feature the latest certification news and announcements, training and contact hours info, test taking tips. Issues are either emailed or mailed to all certificate holders and applicants.
Code of Ethics
The certification Code of Ethics has been revised. Those renewing January and July 2006 do not need to sign the Code to renew.  
Information For Current Certificate Holders
Make sure you don't lose your certification. Certificate holders are required to renew every year and re-certify, by completing at least 12 hours of training, every two years.
Wastewater Trainers & Educators
Add value to your training and educational events by offering contact hours that can be used by CWEA certificate holders to satisfy their re certification requirement.
Training Programs Pre-Approved for Continuing Education Requirement
Find all training programs that have been pre-approved for continuing education. If it's on the list for your vocation, then you can use the course to meet the continuing education requirement. 
Other Certification Links
Special Announcements
  • Study Guides are now available online free to members (user name and password required)

Important Application and Testing Windows:


~Apply September - November 2008 for January to March 31, 2009 test dates

~Apply December 2008- February 2009 for April to June 30, 2009 test dates

~Apply March 2009 - May 2009 for June 2009 to September 30, 2009 test dates

~Apply June 2009- August 2009 for October 2009 to December 31, 2009 test dates