What is a Certified Water Specialist ?

What is a Certified Water Specialist?

A Certified Water Specialist (CWS) has been certified by the Water Quality Association USA in helping consumers identify individuals in the point-of-use/point-of-entry water quality improvement industry who have demonstrated a certified level of professional expertise and are dedicated to high professional standards.

To achieve any WQA-certified title (CWS, CI, CSR), a person must pass a lengthy exam, agree to abide by the WQA Code of Ethics for the Water Quality Improvement Industry and commit to ongoing education to maintain certification.
CWS Level Requirements/Issues:


  • Water Treatment Fundamentals
  • Water Processing for Residential, Commercial, & Light-Industrial Applications
  • Legal Considerations
  • Hazard Communications
  • Water Chemistry Terms and Definitions
  • Must Sign and Abide by the WQA Code of Ethics