Overflow Action Days sits at the confluence of many different water issues--conservation, flooding, infrastructure, pollution, climate change.

Use these links to explore the many different aspects of sewer overflows.​ Deep Tunnel under construction. Photo courtesy MWRD.

Water Efficiency and Conservation

One of the simplest ways to contribute to Overflow Action Days is to use less water! These resources provide water conservation tips that protect the Chicago River.

Chicagoland Flooding

In addition to environmental damage, extreme rains also harm the economy in the form of urban flooding. Learn more about how investments in water infrastructure can prevent flooding and property loss.

Rain-smart Landscaping and Green Infrastructure

A healthy Chicago River depends on keeping rainwater where it falls. You can make improvements to your property that enhance its natural beauty and keeps stormwater out of the sewers.

State and Municipal Stormwater Plans

Local governments have laid out a number of plans for addressing Chicago's stormwater issues. Learn more about the plans and how you can contribute to a healthier Chicago River.

Nonpoint Source Pollution

Stormwater runoff, a nonpoint source pollutant according to EPA, is the most pressing pollution issue facing the Chicago River today. Learn more about how nonpoint source pollution affects our waterways.

Sewer Systems and Combined Sewer Overflows

Overflow Action Days is aimed specifically at eliminating combined sewer overflows. Learn more about Chicago's sewer system and how MWRD processes wastewater and stormwater.

Climate Change and Extreme Weather

Climate data shows that a number of extreme rain events in Cook County has nearly doubled over the past 100 years. A changing climate presents great challenges for the health of the Chicago River.

Chicago River in the News

From floods to climate change to fishing, the Chicago River has made its fair share of headlines. this collection of links highlights the most pressing issues facing the Chicago River and the people, plants, and animals that depend on it.

Rain, Flooding, and Extreme Weather

Climate Change

Stormwater Management, Policy, and Infrastructure

Recovery on Water and Friends of the Chicago River

Recovery on Water (ROW) helps breast cancer survivors become active in their recovery by rowing the Chicago River. Watch this video to learn why Friends of the Chicago River's Overflow Action initiative is vital for ROW and all the people, plants, and animals that depend on the river.