Columbia River Quarantine Station
Columbia River Quarantine Station, Quarantine facility in Pacific County, United States.
The Columbia River Quarantine Station consists of a main building, hospital, and fumigation facilities situated at Knappton Cove along the Columbia River.
Established in 1899 by the U.S. Marine Hospital Service, the station processed over 6,120 people from 132 vessels during its first operational year.
Medical officers at the station conducted thorough inspections of vessels arriving from South America, Europe, and Asia to prevent disease outbreaks.
The station required ships with infestations or diseases to undergo a 48-hour fumigation process using sulfur burned throughout the vessel.
This facility remains the only preserved quarantine station on the United States West Coast, as similar structures were destroyed due to contamination concerns.
Location: Pacific County
Inception: 1899
Official opening: 1899
Website: http://knapptoncoveheritagecenter.org
GPS coordinates: 46.27083,-123.82778
Latest update: September 23, 2025 14:24
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