Update on the Port's COVID-19 response
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Most tenants are responsible for maintaining stormwater structures within their leasehold. These structures include ditches, sanitary sewer connections, floor drains, channels, pipelines, conduits, ro...
Northwest Ports Clean Air Strategy
The Northwest Ports Clean Air Strategy is a collaborative effort between the Port of Seattle, Port of Tacoma, and Port Metro Vancouver (Canada) to reduce air emis...
What is SEPA?
The Washington State Environmental Policy Act (SEPA) provides a way to identify possible environmental impacts that may result from governmental decisions. These decisions may be rela...
Clean Marina Initiative - Partnering with Marina Operators and Boaters to Protect Coastal Waters
The Maritime Port's three marinas serving recreational boaters - Bell Harbor, Harbor Island and Shil...
Stormwater is the flow of water generated by precipitation and runoff from land, including pavement, building rooft...
Terminal 30 Remediation
Current operations at Terminal 30
Terminal 30 (T-30) is a 31-acre container terminal ...
2019 Maritime Environmental Successes
Build Your Own Oyster Shell Barrel
Northwest Ports Clean Air Strategy Implementation Report – 2017
Northwest Ports Clean Air Strategy Implementation Report – 2018
Stormwater Program Annual Report - 2017
Airport and Maritime Salmon-Safe Certification
Contaminated Site Clean up
Port Cancels RFP Seeking Partner for New Cruise Terminal
Port of Seattle Breaks Ground on Terminal 117 Park on the Duwamish River
Seaport Air Quality
See All Related Content
2019 Environmental Scorecard
Environmental Strategy Reports
Maritime Environmental Accomplishments
Port of Seattle Marine Division Environmental Spill Plan & Procedures
Stormwater Operation and Maintenance Manual
See all Documents
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