How Chicago Uses Its River: From Industrial Sewer to Civic Crown Jewel

A River Reversed, Reimagined, Revitalized

The Chicago River's story is one of radical engineering and civic redemption. Famous for the 1900 flow reversal (sending sewage away from Lake Michigan), today it's a multi-functional artery.

1. Transportation & Connectivity

• Water Taxis / River Bus: Commuter routes (Madison, Michigan, Clark) + tourist shuttles. Fast, scenic lakefront-to-Loop link.
• Architecture Cruises: 90-min tours (Chicago's First Lady, Wendella) — top-rated tourist activity.
• Kayak / Paddleboard / Boat Rentals: Multiple vendors (Kayak Chicago, Urban Kayaks). Paddle under skyscrapers.
• Ferries: Limited; mostly private charters.

2. Recreation & Public Space

• Chicago Riverwalk: 1.25-mile multi-level path (Lake Shore Dr → Lake St). Restaurants, bars, seating, floating gardens, kayak launches. Transformed 2016.
• Fishing: Improved water quality supports bass, catfish, carp, salmon (seasonal). Catch-and-release encouraged.
• Events: St. Patrick's Day dyeing (green), Chicago Air & Water Show, fireworks.

3. Commercial & Industrial

• Barge Freight: Still active south of Loop (Calumet/Sanitary Ship Canal). Aggregates, salt, scrap, grain. Critical for Great Lakes–Mississippi barge traffic.
• Industrial Corridors: North Branch (revitalizing), South Branch (active). Steel, concrete, recycling.
• Cooling Water: Power plants (e.g., Crawford, Fisk - now closed) historically used river water.

4. Ecology & Infrastructure

• Habitat: Fish, turtles, herons, beavers, migratory birds (Mississippi Flyway).
• Green Infrastructure: Riverwalk's floating wetlands, permeable edges, native plantings filter runoff.
• Flood Control: TARP (Deep Tunnel) stores combined sewer overflow. River is the outlet.
• Water Supply: NOT drinking water (Lake Michigan is). But emergency backup potential.

The Arc

From open sewer → reversed flow → industrial highway → reclaimed public amenity. The Riverwalk's success spurs ongoing cleanup (swimmable goal) and North Branch revitalization. It's now Chicago's "second lakefront."