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Urban Flooding by the Numbers: Chicago has an Urban Flooding Problem, and Chatham Sits at its Heart

South Side Weekly | April 18, 2019

Chicago has an urban flooding problem. The latest report on this issue, released by the Environmental Law & Policy Center and the Chicago Council on Global Affairs in March, found that climate change in the Great Lakes will result in an increase in “extreme precipitation,” heavy rainfalls that are more likely to lead to flooding. This report is only the latest in a series that have sought to quantify the problem of urban flooding in Chicago, and its disproportionate impact on the South Side. In the wake of this report’s release, the Weekly went through literature on urban flooding, and pulled out the most important numbers that describe the problem.

Across the country, the Federal Emergency Management Agency (FEMA) estimates that twenty to twenty-five percent of all economic losses from flooding occur in areas that are not designated as a floodplain—instead, these losses are the result of urban flooding. In Illinois, that number is much larger, with the Illinois Department of Natural Resources (IDNR) finding that over ninety percent of urban flooding claims in the state between 2007 and 2014 occurred outside the mapped floodplain. In Illinois, in other words, the vast majority of flooding damage doesn’t come from rivers overflowing; instead, it comes from urban landscapes and sewer systems unable to cope with rainfall, causing water to back up into streets and basements. In Cook County specifically, the Center for Neighborhood Technology (CNT) found zero correlation between whether a ZIP code is located in a FEMA-designated floodplain and the amount of flooding in that ZIP code.

 

 

https://southsideweekly.com/urban-flooding-numbers-chicago-chatham/

New Mayor, New Mobility

The transportation sector is changing rapidly: growth in rideshare services (e.g. Uber, Lyft, and bikeshare), vehicle electrification, and introduction of autonomous vehicles will together lead to a complete re-imagining of our transportation system. New mobility options create new opportunities, but also the potential to widen disparities by income and race – unless we explicitly plan for equity. For that reason, the Center for Neighborhood Technology (CNT) participated on Chicago’s New... Continue reading »

 

Featured Publication

RainReady Robbins

CNT
March 10, 2017

The RainReady Calumet Corridor Plan represents the collective vision of over 2,100 residents, business owners, and municipal staff, elected representatives, regional leaders, and non-governmental organizations that all share interest in strengthening the homes, neighborhoods, communities throughout the Calumet Corridor in the south suburbs of Chicago. This document focuses on the Village of Robbins, Illinois.

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