In this video, we dive into the permit to discuss new sampling requirements implemented in the 2025 Industrial Stormwater General Permit and address common questions that have come up regarding these changes. –Helpful links:–For more information see our QA Sheet: https://www.wastormwatercenter.org/2025-isgp-qa-sheet/–For assistance in finding a lab visit Ecology’s lab search: https://apps.ecology.wa.gov/laboratorysearch/–Find full permit documents here: https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/industrial-stormwater-permit
Document Tag: ISGP
Resources for facilities covered under the Industrial Stormwater General Permit.
Industrial Stormwater Inspections
Presenter: Cody Ennis–Cody Ennis, Industrial Inspector for the Department of Ecology, will be sharing insights from the field pertaining to the industrial stormwater general permit. Participants will gain a clearer understanding of how inspections are conducted, what inspectors look for, and how proactive stormwater management can improve both compliance and environmental outcomes.
ISGP Legal Discussion
The Washington Stormwater Center hosts James Tupper from Marten Law to provide his perspective on the 2025 re-issuance of the Industrial Stormwater General Permit. James has 30 years of experience as an environmental attorney working with Industrial and Municipal NPDES permittees. James provides a unique perspective on the challenges permittees can expect from the upcoming ISGP.
What is new in the 2025 Industrial Stormwater General Permit
The 2025 ISGP is out! Learn about the key changes to the 2025 Industrial Stormwater General Permit. This session is a recording of a webinar hosted by the Washington Stormwater Center. Sign up for our ISGP Updates to get the latest permit news, updates, and training opportunities. http://eepurl.com/is-s7k
ISGP 2025 Training Requirements
In this video, we dive into the permit to discuss new training requirements implemented in the 2025 Industrial Stormwater General Permit and address common questions that have come up regarding these changes. –Helpful links:–For more information see our QA Sheet: https://www.wastormwatercenter.org/2025-isgp-qa-sheet/–Find full permit documents here: https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/industrial-stormwater-permitIn this video, we dive into the permit to discuss new training requirements implemented in the 2025 Industrial Stormwater General Permit and address common questions that have come up regarding these changes. –Helpful links:–For more information see our QA Sheet: https://www.wastormwatercenter.org/2025-isgp-qa-sheet/–Find full permit documents here: https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/industrial-stormwater-permit
Common (and AVOIDABLE) ISGP Legal Scenario
The Washington Stormwater Center provides training, technical assistance, and other resources for stormwater management. Visit our channel and website for more information.–www.wastormwatercenter.org
ISGP Case Study: Navigating Multiple Benchmark Exceedances
In this video, we welcome Molly Alar, senior consultant at Parametrix, as she presents a real-world case study of a facility struggling to meet the requirements of Washington’s Industrial Stormwater General Permit (ISGP).-Molly walks us through how her team supported a food manufacturing site that faced multiple benchmark exceedances, including copper, zinc, turbidity, and visible oil and grease. You’ll hear how they addressed issues such as poor BMP implementation, missed sampling, and gravel storage yards by implementing targeted operational changes, which led to significant improvements in stormwater quality. For more resources and training materials, visit: www.wastormwatercenter.org
ISGP Case Study: Responding to 60-day Notice of Intent to Sue
In this video, we welcome Stacy Paterson, senior consultant from Parametrix, as she presents a real-world case study about a facility navigating a third-party Clean Water Act lawsuit under Washington’s Industrial Stormwater General Permit (ISGP).-Stacy walks through how her team assessed compliance, uncovered critical gaps in documentation and BMP implementation, and helped the facility avoid more severe consequences. The site had to respond quickly to a 60-day notice of intent to sue€”this presentation details what they did, what they discovered, and how they brought the facility into compliance. For more resources and training materials, visit: www.wastormwatercenter.org
ISGP Case Study- Mixed Media Filtration with Monitoring
In this Case Study, Joel Prock, Senior Environmental Engineer with Boeing, discusses the use of mixed media filtration systems to reduce stormwater-related risk on an industrial facility. Joel also details the importance of maintaining these systems and showcases the monitoring dashboard he uses to make informed maintenance decisions. To learn more about stormwater best management practices for your industrial facility, please visit https://www.wastormwatercenter.org/permit-assistance/isgp-assistance/
Industrial Stormwater Inspections
Presenter: Cody Ennis
Cody Ennis, Industrial Inspector for the Department of Ecology, will be sharing insights from the field pertaining to the industrial stormwater general permit. Participants will gain a clearer understanding of how inspections are conducted, what inspectors look for, and how proactive stormwater management can improve both compliance and environmental outcomes.
