Michigan Water & Wastewater Operator Certification Guide

Decision 1

Choose the work before choosing the exam.

Drinking water

EGLE’s drinking-water unit administers exams, operator certification, and approved continuing-education records through its operator systems.

Treatment: source water, process control, filtration, disinfection, laboratory work.
Distribution: pumps, storage, pressure, mains, valves, sampling, flushing.

Study treatment · Study distribution

Wastewater

Wastewater and stormwater candidates may hold multiple credentials, including municipal, industrial, and stormwater-related certifications.

Treatment: biological and physical processes, solids, disinfection, compliance.
Collections: sewers, lift stations, force mains, I&I, cleaning, overflow response.

Study treatment · Study collections

Do not pay yet: Michigan has more credential types than a simple “water vs wastewater” split. Match the certification to the permit and facility duties.

Decision 2

Build the application record in the right order.

Credential map: Drinking-water operator certification plus municipal/industrial wastewater and stormwater certifications

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Confirm the exact field and class. Ask the facility or job posting for the credential name—not simply “water license.”Open the current agency requirements. Compare education, approved training, experience, and any class prerequisites.Separate exam approval from certification approval. An application receipt or passing score may not be an active certificate.Gather records before applying. Save transcripts, course certificates, job descriptions, dates, hours, facility class, duties, and supervisor contacts.Use the current application and payment instructions. Do not mail an old form or rely on a cached third-party fee table.Schedule only after approval where required. Verify identification, calculator, formula sheet, appointment, and retest rules.Complete the certificate step. Choose drinking water, municipal wastewater, industrial wastewater, or stormwater; find the current EGLE application and training requirements; apply; pass the exam; document experience and maintain continuing education.Record renewal and continuing-education dates. Save approved hours as you earn them.

Decision 3

Study from the state outline, then diagnose weak operator topics.

Michigan exam note

Follow the current EGLE application and payment instructions. Drinking-water applications currently require submitting the payment receipt with the exam application.

Decision 4

Make the job produce qualifying experience.

Before accepting or paying for training, ask the employer or program these exact questions:

Which certificate, class, and facility classification does this role support?
Which daily duties count as operating experience—and which duties do not?
Who will supervise and sign the experience verification?
How are hours, shift assignments, process duties, and dates recorded?
Does the employer pay for approved training, exams, renewals, or higher-grade preparation?

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Primary sources

Open the agency page before submitting or paying.

Last reviewed: July 13, 2026. State pages and current forms control if this guide differs.

Michigan water and wastewater operator certification