Arcata is a college town with a pronounced counter-cultural ethos. Humboldt State (California State University) is located here, and its faculty and students have had a huge impact on its culture, politics, and environment.
The Arcata sewage treatment facilities are world famous for energy efficiency, low maintenance, and environmental/recreational benefits.
 | Arcata Plaza, heart of this free-spirited college town (June 24, 2010) Standard Size or Large Size | |
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 | Jacoby's Storehouse, oldest building in Arcata, once sheltered townsfolk from Indian attack (June 24, 2010) Standard Size or Large Size | |
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 | One of the ponds at Arcata's sewage treatment complex, a famous example of low energy and environmentally friendly sewage treatment (June 24, 2010) Standard Size or Large Size | |
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 | A popular trail along the levee between the sewage ponds and Arcata Bay (June 24, 2010) Standard Size or Large Size | |
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 | A long pier once ran across the mudflats here to deeper water (June 24, 2010) Standard Size or Large Size | |
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