The Association of Water Technologies (AWT) Certified Water Technologist (CWT) exam covers general water treatment, external treatment, boiler water treatment, cooling water and closed system treatment, and health, safety, and environment. The Association of Water Technologies (AWT) sponsors this certification to validate candidate knowledge in industrial water treatment science and technology.
Industrial water treatment professionals looking to validate their knowledge. Candidates prepare through work experience in direct sales, service, technical support, or technical consulting related to boiler and cooling water systems.
Review the detailed exam content outline and selected sample questions to understand the format. Utilize the suggested preparation materials available through the Association of Water Technologies bookstore. Practice pacing yourself steadily for the complete test and answer all multiple-choice questions since there is no penalty for guessing.
This general domain addresses basic water treatment chemistry, metallurgy, feed control equipment, heat transfer principles, system monitoring procedures, and federal environmental affairs that impact daily industrial water management operations across facilities.
This domain focuses on zeolite softeners, boiler feedwater deaeration processes, external treatment terminology, and fundamental water chemistry principles required to properly condition and prepare industrial water supplies before they enter sensitive systems.
This section addresses intricate boiler system design, inspection procedures, accurate sampling and analytical testing methodologies, potential corrosion and deposit problems, and the operational limitations of specific internal treatment programs.
Candidates explore cooling water system knowledge, precise sampling techniques, analytical testing protocols, corrosion control strategies, deposit and scale management, microbiological fouling prevention, and closed loop system maintenance procedures.
This final domain covers maintaining personnel and physical plant safety standards, accurate identification of federal environmental regulations, and the correct procedures for the safe disposal of treated waters in industrial settings.
Bring the required forms of signature identification with a photo matching your registration name to your designated test center. Arrive early and follow all instructions carefully.
The exam consists of exactly 200 multiple-choice questions, each featuring multiple possible answers with only one correct choice available for the candidate to select during the testing period.
Candidates taking this certification test need to meet the established grading criteria across all sections of the examination to achieve a successful passing result on the exam.
Candidates registered for this industrial water treatment evaluation are given a total of 240 minutes to complete the computer-based examination at an authorized testing center location.
The candidate registration process requires strict adherence to all Association of Water Technologies guidelines and administrative policies established for individuals seeking to obtain professional certification.
Verified 2026-09-14
This reference page was constructed using official Association of Water Technologies candidate handbook documentation, detailing exam structure, domains, and registration policies for applicants.