Waterworks and Waste System Operator Certification Details

Waterworks and Waste System Operator Certification

General Info - Statewide Certification


This state of Maryland certification helps to protect public health and the environment by setting minimum education, experience, and examination standards that applicants must satisfy. 

It is required for operators and/or superintendents of water treatment plants, water distribution systems, wastewater treatment plants, wastewater collection systems, certain pretreatment facilities that discharge to sanitary sewers, or industrial wastewater facilities.


  • Valid for 3 years

    Revised 06/28/2019

  • - s

    Approval time

  • $50.0 - $100.0

    Application cost

Obtaining the Certification

Ready to get your certification? - Steps, Requirements, and Documents

  1. Pass necessary certification examination(s).

  2. Complete experience and education requirements.


Apply for the Certification

Ready to apply?

Agency/Contact

Certification Issuer - Information

Who issues the certification?

Maryland Department of Environment

Contact Information

MDE Board of Waterworks and Waste Systems Operators

Tel: (410) 537-3167



Legal Authority

What laws and regulations give Maryland Department of Environment the legal authority to issue this approval?

STATE: Environment Article, Title 12;COMAR 26.06.01.