The event will take place on Tuesday, March 3, 2026, in Tacoma, Washington.
Geosyntec is the Title Sponsor of the event. Visit our team at the Geosyntec booth to learn more about stormwater management, industrial stormwater general permitting (ISGP), and best management practices for per- and polyfluoroalkyl substances (PFAS).
Managing Stormwater in Washington, presented by Northwest Environmental Business Council, is the state’s premier conference for stormwater professionals, delivering practical, compliance-focused solutions and direct access to experts and innovative technologies through the region’s largest stormwater trade show.
More Information About Stormwater Management and Permitting
Learn more about Managing Stormwater in Washington.
Learn more about Northwest Environmental Business Council.
To get in contact with Geosyntec practitioners, click on their names below.
For more information on stormwater master planning, regulatory compliance, and water quality management, and related stormwater topics, contact Marc Leisenring at MLeisenring@Geosyntec.com.
Geosyntec Stormwater Experts at the Conference
Stormwater Management for Existing Development (SMED): New Permit Requirements, Retrofits, and Green Infrastructure
Speaker: Christian Nilsen, PE
Time: 9:15 a.m. PT
In Practical Terms: Why Does PFAS Need Their Own BMPs?
Moderator: Adam Tycaster
Speaker: Tom Wanzek, PhD
Time: 9:15 a.m. PT
ISGP Challenges and Potential Resolutions
Speakers: Marc Leisenring, PE, and Amy Smith, PE
Time: 10:45 a.m. PT
ISGP Enforcement and Best Practices
Speaker: Ariel Mosbrucker, PE
Time: 1:15 p.m. PT
