Protecting public health and the environment by providing wastewater treatment for Chicago and 128 suburbs. ☎️ Report waterway concerns: 800-332-3867.

Cook County, Illinois
Joined October 2009
Join us on Wednesday at 11:00a.m. for the Lower Des Plaines River Watershed Planning Council Meeting. Details & meeting link: mwrd.org/events/ldpr-wpc-q4 🌊 United States Army Corps of Engineers Grant Offerings @usacechicago mwrd.org/wpc #MWRD #CookCounty #watershed
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Historical Photo of the Day: Construction of the Terrence J. O'Brien Water Reclamation Plant (WRP), in Skokie on October 16, 1927. Request an in-person tour of the O’Brien WRP for your community or school group: mwrd.org/education/tours
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Historical Photo of the Day: A view of Clark Street in Chicago looking south towards Jackson Boulevard on November 2, 1922. Learn about the work of the MWRD on our YouTube channel ⬇️ youtu.be/__yXMrBYek4
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Members of the Illinois General Assembly accompanied Metropolitan Water Reclamation District of Greater Chicago (MWRD) leadership on a tour of several vital facilities that protect public health and the environment. mwrd.org/news/mwrd-hosts-ill…
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Join us on Tuesday at 10:00a.m. for the North Branch of the Chicago River Watershed Planning Council Meeting. Details and virtual meeting link: mwrd.org/events/nbcr-wpc-q4 Learn more: mwrd.org/wpc #MWRD #CookCounty #watershed #stormwater
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The MWRD is participating in the National Prescription Drug Take-Back Day. Turn in unused or expired medication for safe disposal on Saturday, Oct. 24 from 10 a.m. until 2 p.m. Collections will take place at our locations in Chicago, Cicero, and Skokie: mwrd.org/events/national-pre….
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Historical Photo of the Day: A general view of a worksite for construction of the Calumet Intercepting Sewer system on January 30, 1924. Learn how the MWRD improves our water environment: mwrd.org/what-we-do/protecti…
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Historical Photo of the Day: Construction of the Evanston Pumping Station located on the northeast corner of Lake Street and Elmwood Avenue in Evanston, Illinois, on July 2, 1919. Learn how the MWRD improves our water environment: mwrd.org/what-we-do/protecti…
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Join us for the 14th Annual Sustainability Summit! 🗓️ October 22 from 10 a.m. - noon 📍 The @TownofCicero Community Center, 4936 W. 23rd St., Cicero, IL Details and registration: mwrd.org/events/14th-annual-…
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Updated event parking information 📣 Where to park: The Town of Cicero is currently performing maintenance on its parking garage and has arranged alternative parking for Sustainability Summit attendees. Details at the link. ⬇️ mwrd.org/events/14th-annual-…
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New contract opportunities! • Contract number 27-651-21: Remove and replace pavement at various locations. • Contract number 27-970-11: Janitorial services at various locations. Details: mwrd.app/Cntrctann Learn more: mwrd.org/doing-business/proc… #MWRD #Chicago
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Historical Photo of the Day: Workers inside the original lock at Lockport for gate repairs on July 9, 1929. Learn more about the Lockport Powerhouse ⬇️⚡⚓ mwrd.org/what-we-do/chicago-…
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The MWRD Board of Commissioners has adopted a landmark Strategic Plan to guide the MWRD through 2030 with goals that will yield generations of protection for the region’s water environment. View the 2026-2030 Strategic Plan: mwrd.org/strategic-plan 📰 mwrd.org/news/mwrd-board-com…
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Historical Photo of the Day: Construction of the Calumet Water Reclamation Plant (WRP) on April 29, 1921, looking west at rail tracks and a tower for movement of materials. Request an in-person tour of the Calumet WRP for your community or school group ⬇️ mwrd.org/education/tours
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The MWRD joined the fun at the Crestwood Recreation and Wellness Center's Trunk or Treat! Events like these bring our communities together for family-friendly fun and connection. Thank you to everyone who helped make it a success. Happy Halloween! 🎃
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Historical Photo of the Day: Construction of the Butterfly Dam on April 18, 1907. The dam was intended to prevent downstream flooding in the case of a failure of any part of the Chicago Sanitary and Ship Canal structures. Learn more ⚓⬇️ mwrd.org/what-we-do/reducing…
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Historical Photo of the Day: Excavation for the North Shore Channel, looking west from a road near the shore of Lake Michigan on September 1, 1908. Learn more about the Chicago Area Waterway System ⚓⬇️ mwrd.org/what-we-do/reducing…
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📷 A view of Market Street (now Wacker Drive) from a building at the northwest corner of Van Buren and Market Street, on December 1, 1908. 📽 Learn how the MWRD improves our water environment, protects public health and builds flood resilience: youtu.be/__yXMrBYek4
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Science in action! MWRD staff, including an environmental research technician, brought water science to life at Science Works at @msichicago on Oct. 10, showing how science helps protect our waterways and build a more sustainable future. MWRD.org
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Register today for the MWRD Small Business Success Stories series featuring Guillermo Garcia, president, co-founder, and CEO of GSG Consultants. Friday, October 30, 2026 12:00 p.m. – 1:00 p.m. (CT) Register for the virtual event: mwrd.org/events/mwrd-small-b… #MWRD #Leadership
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📷 An aerial view of fall colors in Busse Woods. 🏛️ Local governments and public agencies in Cook County can apply to the MWRD for help with funding stormwater projects on public land. There are four partnership programs offered on a regular basis: mwrd.org/stormwater/partners…
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