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Virginia Administrative Code
Title 18. Professional And Occupational Licensing
Agency 160. Board For Waterworks And Wastewater Works Operators And Onsite Sewage System Professionals
Chapter 40. Onsite Sewage System Professionals Licensing Regulations
12/25/2025

18VAC160-40-190. Qualifications for master conventional onsite sewage system operator licenses.

An applicant for licensure as a master conventional onsite sewage system operator must furnish acceptable documentation that one of the following qualifications has been met:

Prerequisites

Exam Required

Education Required

Documented Qualifying Experience

1.

Wastewater works operator license

Yes

No

None

2.

No

Yes

10 hours of education approved by the board covering the basics of operation and maintenance of conventional onsite sewage systems

Six months of full-time experience in the operation and maintenance of conventional or alternative onsite sewage systems

3.

Master conventional onsite sewage system installer or journeyman alternative onsite sewage system operator license

Yes

No

Six months of full-time experience in the operation and maintenance of conventional or alternative onsite sewage systems

4.

No

Yes

No

Nine months of full-time experience in the operation and maintenance of conventional or alternative onsite sewage systems

Statutory Authority

§§ 54.1-201 and 54.1-2301 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 33, Issue 11, eff. April 1, 2017; amended, Virginia Register Volume 42, Issue 7, eff. December 17, 2025.

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