West Side CSO Tunnel

The West Side Combined Sewer Overflow Tunnel is a tunnel in Portland, Oregon, United States. It receives and stores overflow from the combined sewer system before it can reach the Willamette River. The main tunnel is 14 feet (4.3 m) in diameter and 3.5 miles (5.6 km) long for a capacity of 2,850,000 cubic feet (81,000 m³) and connects to dozens of smaller sewer overflow interceptors along the west side of the Willamette River.

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Wikidata
tunnel, United States, 

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Location: 45.5364, -122.686, KML, Cluster Map, Maps,
9 places

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  Burnside Tunnel ⓘ
  

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  East Side Big Pipe ⓘ
  American sewer line and tunnel

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  NW Cornell Road Tunnel 1 ⓘ
  

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  NW Cornell Road Tunnel 2 ⓘ
  

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  Robertson Tunnel ⓘ
  Train tunnel near Portland, Oregon

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  Rocky Butte Tunnel ⓘ
  

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  Shanghai tunnels ⓘ
  Tunnel system in Portland, US

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  Vista Ridge Tunnels ⓘ
  Road tunnels in Oregon

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  West Side CSO Tunnel ⓘ
  

Frameless

Type	Subtype	Date	Description	Notes	Source
site	tunnel		Burnside Tunnel	road tunnel	Wikidata
site	tunnel		East Side Big Pipe	tunnel	Wikidata
site	tunnel		NW Cornell Road Tunnel 1	road tunnel	Wikidata
site	tunnel		NW Cornell Road Tunnel 2	road tunnel	Wikidata
site	tunnel		Robertson Tunnel	railway tunnel	Wikidata
site	tunnel		Rocky Butte Tunnel	road tunnel	Wikidata
site	tunnel		Shanghai tunnels	tunnel	Wikidata
site	tunnel		Vista Ridge Tunnels	road tunnel	Wikidata
site	tunnel		West Side CSO Tunnel	tunnel	Wikidata