# Environment (GEN)

## Title 12. Waterworks and Waste Systems Operators

### Subtitle 4. Miscellaneous Provisions

#### Section 12-402

(a) Except as provided in subsection (b) of this section, each waterworks, wastewater works, and industrial wastewater works shall be under the supervision of a superintendent who is certified in the appropriate classification.

(b) A waterworks, a wastewater works, and an industrial wastewater works may have a certified operator serve in responsible charge instead of a certified superintendent if approved by the Department and if the facility:

  (1) Serves fewer than 500 persons;

  (2) Has minimal treatment requirements as determined by the Department; and

  (3) Employs no more than two operators.

(c) The Department shall enforce this section.

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Md. Code Ann., Envir. (as displayed at mgaleg.maryland.gov, October 16, 2026)