Certified Treatment Designer (CTD) Path

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For:

System Designers

Technical support

B2B Sales

Course Format:

Live-Online

A CTD certification demonstrates that pros involved in business-to-business and technical sales and support have a solid education in selection, troubleshooting and maintenance of POU/POE water treatment technologies and equipment. A CTD education gives these pros the ability to recommend sales or service with confidence.

Fully commit to your CTD training!

Save both time and money by purchasing both courses – and paying the certification exam fee – right now in one bundle.

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certified treatment designer

4-course series

13 months

Class starts week of January 21, 2025

Option of instructor-led training courses. Offered at two different times for East Coast/West Coast convenience

or fully self-paced online coursework

This is a 4-course series led by experts instructors for manufacturers’ technical sales and support professionals. The first three modules include live, remote classes and online assignments. The fourth module is self-paced online learning. Learn about:

  • Identify the problems caused by aesthetic contaminants and test for them
  • Interpret drinking water reports
  • Apply and size POU/POE treatment technologies for aesthetic and drinking water contaminants
  • Multiple-tank control schemes and mixed-bed systems (Self-paced)
  • Sizing systems based on media parameters and EBCT requirements (Self-paced)
  • Resolve ethical dilemmas and comply with anti-trust regulations
  • Relevant Field Experience- Minimum of one-year B2B experience in R&D, technical sales/technical support of POU/POE equipment & applications.
  • Complete Prerequisite Coursework- Choose between a fully self-paced online option for all four training modules or instructor-led training plus the self-paced Advanced Treatment Design Course
    Course 1: Assessing Water Quality Problems
    Course 2: Application & Sizing of POU/POE Treatment for Aesthetic Contaminants
    Course 3: Application & Sizing of POU/POE Treatment for Drinking Water Contaminants
    Course 4: Advanced Treatment Design (self-paced & online, only)
  • Pass Certified Treatment Designer Exam
  • Maintain certification/recertification requirements

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Assessing Water Quality Problems

For:

Service techs

Sales Reps

System Designers

Dealers

Certification Coursework:

CWS/CWR/CST/CTD 

Course Format:

Live-Online

This 14-week course is WQA’s Introductory Instructor-led course on POU/POE Water Treatment and the first course required for the CWS/CWR/CST/CTD certification titles. It walks the learner through identifying aesthetic problems, onsite testing, interpreting water analyses for aesthetic contaminants, and drinking water regulations.

2 hours/week (includes time for homework)

14 weeks

Offered at two different times for East Coast/West Coast convenience

Peter Cartwright
Paul Fiot

Application & Sizing of POU/POE Treatment for Aesthetic Contaminants

For:

Service Techs

Sales Reps

System Designers

Dealers

Certification Coursework:

CWS/CWR/CST/CTD 

Course Format:

Live-Online

This 15-week course moves from identifying problems into how to select and correctly size treatment equipment for aesthetic contaminants. It is the final course in the CWR coursework and the second in a series for the CWS/CST/CTD titles.

2 hours/week

15 weeks

Peter Cartwright
Paul Fiot

Application & Sizing of POU/POE Treatment for Drinking Water Contaminants

For:

System Designers

Dealers

Certification Coursework:

CWS/CTD

Course Format:

Live-Online

This course focuses on the occurrence, chemical behavior and treatment of contaminants that can be hazardous to health.  It is the final course required for the CWS exam and the third of four for the CTD coursework.

2 hours/week

13 weeks

Peter Cartwright
Paul Fiot

Advanced Design Course

For:

System Designers

B2B sales & support

Technical sales & support

Certification Coursework:

CTD

Course Format:

Self-paced

Online

This course includes the treatment processes of deionization and sizing tank-based media systems, a discussion of mixed bed systems, various multi-tank control schemes, and factors affecting the efficiency of residential ion exchange softeners. It is the final module required to be eligible to take the CTD exam.

20-30 hours

self-paced 

Course Purchase Options

Pricing for the four pre-requisite courses and the CTD exam are listed as individual fees or as one cost-saving bundle so you can choose the option that is right for you.

Individual courses

Assessing Water Quality Problems

For:

Service techs

Sales Reps

System Designers

Dealers

Certification Coursework:

CWS/CWR/CST/CTD 

Course Format:

Live-Online

2 hours/week

14 weeks

Regular Pricing

$599-$779*

Members

$1,359*

Non-members

*Price includes 3% convenience fee

Application & Sizing of POU/POE Treatment for Aesthetic Contaminants

For:

Service techs

Sales Reps

System Designers

Dealers

Certification Coursework:

CWS/CWR/CST/CTD 

Course Format:

Live-Online

2 hours/week

15 weeks

Regular Pricing

$599-$779*

Members

$1,359*

Non-members

*Price includes 3% convenience fee

Application & Sizing of POU/POE Treatment for Drinking Water Contaminants

For:

System Designers

Dealers

Certification Coursework:

CWS/CTD

Course Format:

Live-Online

2 hours/week

13 weeks

Regular Pricing

$599-$779*

Members

$1,359*

Non-members

*Price includes 3% convenience fee

Advanced Design Course

For:

System Designers

B2B Sales & Support

Technical sales & support

Certification Coursework:

CTD

Course Format:

Self-paced

Online

20-30 hours

self-paced

$169-$209*

Members

$379*

Non-members

*Price includes 3% convenience fee

Exam

Certified Treatment Designer (CTD) Exam

For:

Installers

System Designers

Dealers

Course Format:

Online

$259*

Core/Premier Members

$299*

E-members

$579*

Non-members

*Price includes 3% convenience fee

Complete Certification Bundle

Certified Treatment Designer (CTD) Bundle

For:

System Designers

Technical support

B2B Sales

The Service Technician Training bundle includes:
Course 1: Assessing Water Quality Problems
Course 2: Application & Sizing of POU/POE Treatment for Aesthetic Contaminants
Troubleshooting Training
Course 3: Application & Sizing of POU/POE Treatment for Drinking Water Contaminants
Course 4: Advanced Treatment Design (online, self-paced course)
Certified Treatment Designer (CTD) Exam Fee

Regular Pricing

$2,089-$2,539*

Members

$4,649*

Non-members

*Price includes 3% convenience fee

Peter Cartwright
Paul Fiot

WQA offers accelerated pathways to achieve the CTD.

For those with 3+ years of experience in business-to-business technical sales or technical support, R&D engineers, public health professionals or others involved in supporting selection, troubleshooting and maintenance of POU/POE water treatment technologies and equipment.

  • 3+ years of experience in B2B experience in technical sales/technical support of POU/POE equipment & applications
  • Complete self-paced online Ethics Course
  • Pass Certification Exam

CTD Accelerated Path Bundle:

Ethics Course

CTD Exam 

* Optional

Offered at two different times for East Coast/West Coast convenience

Winter

Start Date:  Jan 21, 2025 OR  Jan 24, 2025 | 4-course series – 13 months

Spring

Start Date: April 15, 2025 OR April 16, 2025 | 4-course series – 13 months

Fall

Start Date: August 20, 2025 OR  August 21, 2025 | 4-course series – 13 months