Agencies | Governor
Virginia Regulatory Town Hall
Department of Conservation and Recreation
Virginia Soil and Water Conservation Board
Impounding Structure Regulations [4 VAC 50 ‑ 20]
Amend provisions of the Virginia's Impounding Structure Regulations
General Information
Action Summary This regulatory action will consider amendments to the Virginia Soil and Water Conservation Board's Impounding Structure Regulations. The Board is undertaking this regulatory action in response to comments received during a periodic review, as well as recognition that amendments and clarifications may be needed. Specifically the Board authorized this regulatory action to consider concerns related to: (i) roadways on or below an impounding structure for hazard potential classifications; (ii) the incremental damage analysis process; (iii) gate requirements; (iv) the requirements for agricultural exempt dams; (v) requiring the use of temporal curves to determine the probable maximum precipitation; and (vi) the development of a realistic and achievable process for certain impounding structures to achieve regulatory compliance, while maintain public safety.
Chapters Affected Only affects this chapter.
Exempt from APA No, this action is not exempt from Article II of the APA and executive branch review.
RIS Project Yes  [006047]
Result of Prior Periodic Review Dated 7/31/2018
New Periodic Review This action will not be used to conduct a new periodic review.
Stages associated with this regulatory action.
Stage ID Stage Type Status
8657 NOIRA Stage complete. Comment period ended 01/08/2020.
Contact Information
Name / Title: Lisa McGee  / Policy and Planning Director
Address: 600 East Main Street, 24th Floor
Richmond, VA 23219
Email Address:
Phone: (804)786-4378    FAX: (804)786-6141    TDD: ()-

This person is the primary contact for this agency.