| 3 Active / Under Development Chapters and 2 Inactive / Repealed Chapters | |||
| VAC Citation | Chapter Title | Last Activity | Date |
| 18 VAC 160‑40 | Onsite Sewage System Professionals Licensing Regulations | Periodic Review Filed | 7/5/2024 |
| 18 VAC 160‑30 | Waterworks and Wastewater Works Operators Licensing Regulations | Periodic Review Filed | 7/5/2024 |
| 18 VAC 160‑11 | Public Participation Guidelines | Periodic Review Agency Completed | 12/20/2023 |