MWRD issues Overflow Action Alert
MWRD staff work 24/7 protecting the water environment, mitigating flooding, managing waterway elevations, and keeping operations moving at its seven treatment plants.
The MWRD treats an average of 1.47 billion gallons of wastewater per day, but that number can soar above 2 billion with intensive rainstorms.
Learn more about Combined Sewer Overflow prevention
Sign up to receive Overflow Action Alerts via text
For more information and explanations about how the MWRD’s infrastructure and waterway system operate, visit these links:
Learn about the Tunnel and Reservoir Plan (TARP)
Understand how the Chicago Area Waterway System works
Read our booklet “Understanding Your Sewer”
Request a presentation for your community
Municipal partners can review stormwater partnership opportunities