Choose the state where you will work.
Each state command center keeps the credential map, application sequence, exam note, saved checklist, and agency links on one useful page.
Arizona
Arizona has four operator fields and four grades. Choose the field before booking a WPI exam or submitting certification through the online portal.
Open command center →CACalifornia
California uses separate drinking-water treatment, distribution, and wastewater certification programs. Pick the field first; the application, exam, and experience rules are not interchangeable.
Open command center →FLFlorida
Florida requires the applicable exam plus the education, training, and experience required for the license level. Passing the exam alone is not the license.
Open command center →GAGeorgia
Georgia licensing is handled through the Secretary of State’s professional licensing system, not directly through the EPD permit pages.
Open command center →ILIllinois
Illinois EPA runs separate drinking-water and wastewater certification programs. Drinking water includes an Operator-in-Training route; wastewater has its own class and exam system.
Open command center →INIndiana
Indiana requires state approval before the computer-based testing step. Receiving an eligibility letter is what lets the applicant schedule with Ivy Tech.
Open command center →KYKentucky
Kentucky’s Operator Certification Program handles state training records, certification exams, and credentials for drinking water and wastewater fields.
Open command center →MIMichigan
Michigan separates drinking-water operator certification from wastewater and stormwater certification. Start with the EGLE unit responsible for your actual job duties.
Open command center →MNMinnesota
Minnesota splits drinking-water and wastewater certification between MDH and MPCA. The correct agency depends on the system you operate.
Open command center →MOMissouri
Missouri provides one operator-certification hub for drinking water and wastewater, with separate exams and forms for each field.
Open command center →NVNevada
Nevada’s program covers operators in direct responsible charge of drinking-water treatment, distribution, and wastewater treatment facilities.
Open command center →NYNew York
New York splits drinking-water and wastewater certification between two agencies. Start on the correct agency site or you may follow the wrong forms and training rules.
Open command center →NCNorth Carolina
North Carolina has separate drinking-water and wastewater certification paths. Wastewater candidates may need an approved certification school before the exam.
Open command center →OHOhio
Ohio EPA certifies both drinking-water and wastewater operators. The right exam depends on the facility type and classification, not a single statewide “water license.”
Open command center →PAPennsylvania
Pennsylvania certification can require a Part I general exam plus the Part II technology-specific exams that match the system where you work or plan to work.
Open command center →TNTennessee
Tennessee applicants apply through the certification process, receive Board approval, and then schedule a computer-based exam through PSI.
Open command center →TXTexas
Texas combines training, education, experience, an application, and an exam. The required combination changes by license type and class.
Open command center →WIWisconsin
Wisconsin exams are process-specific. Waterworks candidates take the subclasses used at the plant; wastewater candidates pass the general exam plus at least one subclass exam.
Open command center →