Overview
Seattle Port Terminal 105 is an operational harbour facility in Seattle, Washington, handling cargo and supporting maritime logistics. It operates under US EPA VGP and NPDES regulations.
Seattle Port Terminal 105 is a harbour facility located at 4260 W Marginal Way SW in Seattle, Washington, within King County. As part of the Port of Seattle, it serves as a key node for maritime cargo operations, including bulk and containerized goods, contributing to the region's trade infrastructure. The facility operates under the regulatory framework of the US EPA Vessel General Permit (VGP) and National Pollutant Discharge Elimination System (NPDES) permits, which govern stormwater management and ballast water discharge. Typical harbour operations involve cargo handling equipment, truck and rail connections, and on-site stormwater treatment systems to manage runoff. Seattle Port Terminal 105 plays a significant role in the Pacific Northwest's maritime economy, supporting local employment and regional supply chains. Its location on the Duwamish Waterway requires careful environmental management to protect nearby aquatic habitats, including salmon-bearing waters.
Environmental context
The facility is situated on the Duwamish Waterway, an industrialized estuary that flows into Puget Sound. This area supports critical salmon runs and marine wildlife, making stormwater and oil-water management essential. Cargo handling activities, particularly bulk and container operations, generate runoff that must be treated to meet NPDES permit limits. Proximity to sensitive coastal habitats necessitates robust spill prevention and response measures.
Frequently asked questions
Seattle Port Terminal 105 is located at 4260 W Marginal Way SW, Seattle, Washington 98106, United States, on the Duwamish Waterway.
As a harbour facility, Seattle Port Terminal 105 handles various cargo types, including bulk and containerized goods, supporting maritime trade in the Pacific Northwest.
The facility operates under the US EPA Vessel General Permit (VGP) for vessel discharges and the National Pollutant Discharge Elimination System (NPDES) for stormwater runoff, ensuring compliance with federal water quality standards.
Stormwater management at the terminal includes treatment systems to control runoff from cargo handling areas, reducing pollutants before discharge into the Duwamish Waterway, in accordance with NPDES permit requirements.
The terminal supports regional trade and employment, facilitating the movement of goods through the Port of Seattle, a major economic driver for Washington State.
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