In accordance with state law, Texas Water Code Chapter 37, and Texas Occupations Code, Chapter 1904.052,
any individual who installs and services fixed or portable equipment in public or private systems
in the State of Texas for the analysis and treatment of potable water to alter or purify the water
or to add or remove a mineral, chemical, or bacterial content must be a Licensed Water Treatment Specialist.
The following table describes WTS licensing requirements. For more information about obtaining a
WTS License, please visit the
Next: WTS Examination Requirements