🚇 West Side CSO Tunnel

United States · Americas · 45.54°N, 122.69°W

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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Quick facts

Country	United States
Continent / region	Americas
Coordinates (approx.)	45.54°N, 122.69°W · view on map

West Side CSO Tunnel is located in United States, in Americas.

More tunnels in United States

Big Dig · Bullion Tunnel · Burro Schmidt Tunnel · Catawissa Tunnel · Chicago Tunnel Company · Columbia University tunnels · Cramer Tunnel · Dyer Avenue · East Side Access · East Side Big Pipe.

Coordinates approximate. Introduction & image: Wikipedia (CC BY-SA 4.0), cached 30 days; the page renders even if the feed is momentarily unreachable.