Drinking water operator
Operators run treatment plants and distribution systems. They monitor quality and protect public health.
Certification covers both treatment and distribution. Each has its own grade levels and its own path up.
Drinking water certification
Wastewater operator
Wastewater operators treat water before it is discharged or reused. The work protects the environment directly.
It combines science, technology, and hands-on operations. Advancement is steady and the ceiling is high.
Wastewater certification
Operator-in-training
The OIT pathway is the entry point. Trainees work beside certified operators and get paid while they learn.
It is the shortest route from no experience to a certified career.
Operator-in-Training pathway
Certification is issued by the State Water Resources Control Board. Each link goes to its program page.