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Overflow Action Alert

The MWRD has issued an Overflow Action Day alert. Please limit water usage to absolute necessities. Visit our Overflow Action page for more information.

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Metropolitan Water Reclamation District of Greater Chicago

July 22, 2026

The Metropolitan Water District of Greater Chicago serves more than five million residents in Cook County, Ill., some with flooding concerns.

July 21, 2026

Northfield Township Road District’s Phase II project placed in Group 1, the top tier, of MWRD’s 2026 Stormwater Partnership Program; construction could begin as early as 2027.

July 17, 2026

Designed to help businesses successfully compete for government contracting opportunities, the MWRD's IMPACT Small Business Summit brings together leadership, industry experts, prime contractors and consultants, government agencies and assist agency partners for a day of networking, education and meaningful connections.

July 16, 2026

Follow the flush for a live virtual tour of the MWRD’s water reclamation process on August 4 at 2 p.m.

July 16, 2026

A new video produced by the MWRD and DWM chronicles the varied yet integral roles the two agencies play in managing Chicago’s water.

July 14, 2026

The Thornton Composite Reservoir has dropped to 73% full after nearly reaching capacity last week. Thornton Village Administrator Vivian Payne said Tuesday reports of bad odors coming from the reservoir were sensationalized by the media.