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Electrical / Instrumentation Technician Certification

Electrical/Instrumentation Technicians

Within the water and wastewater industry, Electronic/Instrumentation Technicians (E/I) are responsible for installing and maintaining various electronic monitoring and communication equipment, including pressure and level recorders, programmable logic controllers, relays and computers.

Electrical/Instrumentation Techs maintain instrumentation and controls that give water and wastewater operators "eyes" on the treatment plant operations.

Technicians are responsible for communications systems at treatment plants, pump stations, power generating facilities, electrical substations, and all remote locations.


Examples of E/I exam topics

These are a few basic examples of the competencies necessary to become certified:

  • Knowledge of electrical and instrumentation field as it relates to the water/wastewater
  • Perform basic preventive maintenance and unplanned maintenance of E/I tools and
  • Read and interpret basic blueprints, schematics, single line drawings and equipment manuals
  • Recognize unsafe work situations and take proper actions
  • Perform basic calculations using electrical formulas and equations

For a more detailed exam blue print and outline, click on the "Prepare" tab.

E/I grade levels

There are four E/I grade levels and a typical career ladder:

  • Grade 1 Entry Level
  • Grade 2 Journey
  • Grade 3 Lead
  • Grade 4 Manager

CWEA offers voluntary certifications for water professionals.

The State Water Board's program is a mandatory certification for Drinking water treatment, distribution and wastewater operators. In order to work as an operator you must pass the State's exam.

Many California water agencies use CWEA's certifications of professional competence as part of their hiring and promotional process. Some agencies require this certification for employment. Some agencies also provide a pay bump for achieving CWEA certifications and pursuing higher grade levels. Be sure to ask your employer.

CWEA's mission is to increase the effectiveness of water professionals through certification, education and advocating for the profession.

Additional resources

Minimum Qualifications
Exam Windows

Code of Ethics

CWEA members uphold the highest professional standards. We protect our communities, the environment and each other.

Read the ethics code

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