SEATTLE PORT SEAPORT MAINTENANCE Harbour Facility, Seattle, Washington

SEATTLE PORT SEAPORT MAINTENANCE is a harbour facility located at 25 S Horton St, Seattle, Washington, United States. It operates within the Port of Seattle, a major maritime hub handling containerized cargo, bulk commodities, and cruise traffic. The facility is classified under NAICS codes 488310 (Port and Harbor Operations) and 451140 (Marinas), indicating its role in port maintenance and support services. The facility operates under the regulatory framework of the United States, including the Clean Water Act and the Vessel General Permit (VGP) issued by the EPA. As a harbour maintenance operation, it manages stormwater runoff, oil-water separation, and waste reception to comply with environmental standards. The Port of Seattle is also subject to the IMO MARPOL Convention for international shipping, ensuring proper disposal of ship-generated waste. Located on the Duwamish Waterway, the facility is in close proximity to the Duwamish River, a Superfund site undergoing environmental remediation. Its operations are significant for maintaining navigational access and supporting the economic vitality of the region, which relies heavily on maritime trade. The facility's maintenance activities help ensure safe and efficient port operations, contributing to the local economy and supply chain.

The facility is situated on the Duwamish Waterway, which flows into Elliott Bay and the Puget Sound. This area supports diverse marine life, including salmon, orcas, and seabirds. Stormwater management and oil-water separation are critical to prevent pollution from maintenance activities. The facility's operations are subject to local and federal regulations to protect the sensitive coastal habitat of the Pacific Northwest.