Brind.
Part of The City of Chicago manages its water infrastructure.

How could untreated sewage flowing into the Chicago River affect the Des Plaines River?

Likely What happens if… A possibility worth considering, not a forecast.

Sewage dumping into Chicago River may degrade Des Plaines River's environmental quality Untreated sewage is being dumped into the Chicago River due to intense weather overwhelming the city's sewer system. The Metropolitan Water Reclamation District of Greater Chicago sometimes dumps this sewage directly into the river to prevent flooding. Since the Chicago River flows into the Des Plaines River, this pollution carries downstream, threatening the environmental quality of the Des Plaines River.

Reported by 1 independent outlet Written Friday
Effect
Strong negative
How direct
Stated in the reporting
When
Over the long term
The story
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How it reaches Des Plaines River

Reported by news outlets

Tap any step to see the evidence behind it.

The facts so far

As reported. Each one links to where it comes from.

  • The Metropolitan Water Reclamation District of Greater Chicago dumps untreated sewage directly into the river to prevent flooding of homes.suntimes.com
  • The sewage pumping station on Racine Avenue near Bridgeport has dumped more than 10 billion gallons of sewage into the river this year.suntimes.com
  • The North Branch pumping station, on the border of Albany Park and Lincoln Square, has spewed nearly two billion gallons of untreated sewage into the North Branch of the Chicago River this year.suntimes.com
  • The Chicago River's flow is diverted via a canal into the Des Plaines River.suntimes.com

Why it matters

The Des Plaines River, like other waterways, relies on a certain level of environmental quality. The continuous input of untreated sewage from upstream infrastructure failures poses a significant threat to the river's ecosystem, potentially degrading its water quality and harming wildlife.

This issue is tied to broader climate change impacts. The reports note that intensifying weather patterns bring storms that drop rain faster and harder than ever before, overwhelming Chicago’s sewer system, which can only handle just two inches of rain before flooding is likely.

What we don't know yet

  • What measures is the Metropolitan Water Reclamation District of Greater Chicago taking to reduce the volume of untreated sewage released?
  • What is the current measured level of contamination in the Des Plaines River?

What would change this answer

The Metropolitan Water Reclamation District of Greater Chicago implements new infrastructure upgradesThe volume of untreated sewage entering the Chicago River could decrease, lessening the pollution load on the Des Plaines River.
Intensifying weather patterns subside and rainfall becomes less extremeThe frequency of sewer system overflows and subsequent sewage dumping into the Chicago River would likely decrease.

Who else could feel it

Other possible ripples from the same event.

Reporting

Keep going

The full eventUntreated Sewage Flows into Chicago River, Threatening Health and Wildlife Everything aboutDes Plaines River

Brind's analysis is written by AI from the reporting linked above and can be wrong. This explainer is a possibility worth considering, not a forecast: steps marked as Brind's reasoning are not stated in the reporting. It is not investment advice; do your own research.