18 Va. Admin. Code § 160-40-160
An applicant for licensure as a master alternative onsite sewage system installer must furnish acceptable documentation that one of the following qualifications has been met:
| Prerequisites | Exam Required | Education Required | Documented Qualifying Experience | |
| 1. | Employee, owner, director, or officer of a properly licensed contractor with an alternative sewage disposal system contracting ( ADS) specialty issued by the Virginia Board for Contractors | Yes | No | Two years of full-time experience installing alternative onsite sewage systems |
| 2. | Employee, owner, director, or officer of a properly licensed contractor with an alternative sewage disposal system contracting ( ADS) specialty issued by the Virginia Board for Contractors | Yes | 20 hours of training approved by the board covering the basic installation of alternative onsite sewage systems | 18 months of full-time experience installing alternative onsite sewage systems |
| 3. | No | Yes | 20 hours of training approved by the board covering basic installation of alternative onsite sewage systems | 30 months of full-time experience installing alternative onsite sewage systems |
| 4. | I Master conventional onsite sewage system installer or journeyman alternative onsite sewage system installer license | Yes | No | One year of full-time experience installing alternative onsite sewage systems |
| 5. | Master alternative onsite sewage system operator license | Yes | No | Three months of full-time experience installing alternative onsite sewage systems |
| 6. | None | Yes | No | Three years of full-time experience installing 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.