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4 Active / Under Development Chapters and 7 Inactive / Repealed Chapters
VAC Citation	Chapter Title	Last Activity	Date
4 VAC 50‑11	Public Participation Guidelines	Periodic Review Agency Completed	6/11/2021
4 VAC 50‑20	Impounding Structure Regulations	Proposed At DPB	2/6/2025
4 VAC 50‑70	Resource Management Plans	Periodic Review Agency Completed	1/3/2024
4 VAC 50‑85	Nutrient Management Training and Certification Regulations	Fast-Track Effective	4/1/2022
Inactive (Repealed / Renumbered / Withdrawn / Expired)
4 VAC 50‑10	Regulatory Public Participation Procedures (Repealed)	Final Effective	10/29/2008
4 VAC 50‑30	Erosion and Sediment Control Regulations AS 9 VAC25-840 (Renumbered)
4 VAC 50‑40	Flood Prevention and Protection Assistance Fund (Repealed)
4 VAC 50‑50	Erosion and Sediment Control Certification Regulations AS 9 VAC 25-850 (Renumbered)
4 VAC 50‑60	Stormwater Management Regulations AS 9 VAC 25-870 (Renumbered)	NOIRA Stage Withdrawn	12/30/2011
4 VAC 50‑80	AS 9 VAC 25-900 Nutrient Trading Certification Regulations (Renumbered)
4 VAC 50‑90	As 9 VAC 25-830 Chesapeake Bay Preservation Area Designation and Management Regulations (Renumbered)