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Stormwater Learning Hour
Tuesday, February 18, 2025, 12:00 PM - 1:00 PM PST
Category: Webinars

When Pilot Testing Doesn't Match Full Scale Industrial Stormwater Treatment: Post-Mortem & Solutions

Date: Tuesday, February 18th

Time: 12:00PM – 1:00PM Pacific

Presenter: John Cook, Civil Engineering Projects Manager for Vigor Shipyards

 

In late-2019 and early-2020 Vigor pilot tested a CESF system for stormwater treatment for a change in their industrial waste permit that would no longer permit the discharge of contaminated stormwater into King County’s combined sewer system. While the pilot testing showed the system could meet treatment limits, when the full scale treatment system was completed in November 2023, the system was not meeting permit limits. This presentation will discuss what steps were taken to bring the system into compliance and theories on why the pilot testing was not as representative of the full scale system as anticipated.

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