18 Va. Admin. Code § 160-40-190
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 |
§§ 54.1-201 and 54.1-2301 of the Code of Virginia.
Derived from Virginia Register Volume 33, Issue 11, eff. April 1, 2017; amended, Virginia Register Volume 42, Issue 7, eff. December 17, 2025.