How to Navigate the California Industrial Stormwater General Permit 2018 Amendment

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Author: Chelsea Meddings, Project Scientist As you may know, in 2018, the California State Water Resources Control Board amended the National Pollutant Discharge Elimination System (NPDES) Stormwater Industrial General Permit (IGP) Order 2014-0057-DWQ, with new regulations becoming effective in July 2020. Now moving into 2022, our industrial stormwater professionals would like to help support facilities that have found these regulations challenging. If your facility is out of compliance with the IGP regulations, or if you require support interpreting these regulations, we hope this information will be valuable in helping you successfully navigate the changes. What’s Changed in the Statewide Industrial Stormwater General Permit? The 2018 IGP amendment redefined analytical methods required for annual stormwater sampling.  Analytical methods are now required Read More »