Arcata Wastewater Treatment Plant and Wildlife Sanctuary
Arcata Wastewater Treatment Plant and Wildlife Sanctuary, Wastewater treatment facility and wildlife sanctuary in Arcata, United States.
The facility spans 307 acres with freshwater marshes, salt marsh, tidal sloughs, grassy uplands, mudflats, and brackish marsh along Humboldt Bay's northern edge.
The treatment plant began operations in 1949, evolving from basic sewage management to an integrated system combining conventional treatment with constructed wetlands.
The sanctuary documents over 300 bird species throughout the year, establishing itself as a primary location for ornithological research and observation.
Visitors can access the sanctuary from sunrise until one hour after sunset, with free guided marsh walks occurring every Saturday at 2 PM.
The facility transforms municipal wastewater into a resource while creating habitats for wildlife through a network of treatment ponds and marshes.
Location: California
Inception: 1949
GPS coordinates: 40.85830,-124.09100
Latest update: May 16, 2025 18:11
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