Added proprietary BMPs to Practice 16 (Hydrodynamic Devices) and Practice 17 (Filtering Devices) (added May 20, 2022).
Removed references to obsolete DEQ guidance (GM 21-2006) — “Use of Stormwater Proprietary Best Management Practices to Meet Virginia Stormwater Management Program [VSMP] Technical Criteria for Water Quality Compliance” (changes made May 2, 2022).
Stormwater Construction General Permit Information
DEQ’s public website is currently undergoing significant changes. Some links in the stormwater construction general permit (SWCGP) database may be broken temporarily during the website transition. The URL for the SWCGP database will stay the same (https://apps.deq.virginia.gov/swcgp), but all other DEQ website addresses and links will be changing. If you have questions, please email: email@example.com. Commonly requested SWCGP information is temporarily posted here: