About StormStore

StormStore is an innovative solution for stormwater management in Cook County. Our marketplace provides a cost-effective and streamlined way for developers, engineers, and public/private landowners to meet stormwater requirements and mitigate flood risks in the community.

StormStore takes the guesswork out of stormwater management while helping you save time and money.

$12 million

Potential savings to Cook County developers through use of StormStore to meet stormwater management requirements


Average development cost savings when using StormStore to meet stormwater management requirements


Average income to land owners generating credits

27,000+ sq. ft.

Average site space freed when using StormStore to meet stormwater management requirements

1 in 5

Number of development projects in Cook County that could benefit from StormStore



Metropolitan Planning Council (MPC)

For more than 85 years, the Metropolitan Planning Council (MPC) has partnered with communities, businesses, and governments to unleash the greatness of the Chicago region. We believe that every neighborhood has promise, every community should be heard, and every person can thrive. To tackle the toughest urban planning and development challenges, we create collaborations that change perceptions, conversations—and the status quo.


The Nature Conservancy (TNC)

The Nature Conservancy is a global environmental nonprofit working to create a world where people and nature can thrive. Founded in the U.S. through grassroots action in 1951, The Nature Conservancy has grown to become one of the most effective and wide-reaching environmental organizations in the world. Thanks to more than a million members and the dedicated efforts of our diverse staff and over 400 scientists, we impact conservation in 76 countries and territories: 37 by direct conservation impact and 39 through partners.

Key Collaborators

StormStore is made possible through partnerships with key organizations and individuals, including Metropolitan Water Reclamation District of Greater Chicago (MWRD), a StormStore collaborator since the program's inception.

Metropolitan Water Reclamation District of Greater Chicago (MWRD)

MWRD is the agency authorized to manage the majority of Cook County's watershed areas. In this role, the agency manages and updates the Watershed Management Ordinance and permitting process. The partnership is grateful to the agency for the ongoing collaboration, problem-solving, and dedication to the improvement of the stormwater volume trading pilot.

Advisory Committee

StormStore has been developed through extensive collaboration, research, and advocacy by a diverse range of stakeholders in the Chicago region and beyond. Our Advisory Committee, comprised of experts in the fields of community engagement, engineering, stormwater management, and sustainable development, provides us with valuable guidance and insights to continually improve our work.

Bill Loftus


Bill Schleizer

Delta Institute

David Siegel

Sidley Austin

Ellen Carnahan

Machrie Enterprises LLC

Erin Delawalla


Erin Lavin Cabonargi

Urban Resolve

Hart Passman

Holland & Knight

Janet Clements

One Water Econ

Jay Readey

The MetroAlliance

Jeff Pintar

Robinson Engineering

Jeff Wickenkamp

Hey and Associates, Inc.

Jessica Droste Yagan

Impact Engine

Marcia Festen

McDougal Foundation

Mike Davidson

Chicago Community Trust

Nicole Chavas

Greenprint Partners

Pete Mulvaney


Ray Bell

Faith in Place

Tom Price


Funder Statement

The StormStore partnership is deeply grateful to the generous philanthropic donors who have supported our efforts to develop and implement this innovative stormwater management solution. Thanks to their contributions, we have been able to conduct crucial research, effect policy change, and develop our pilot program, all while offering free market support to all potential participants. We extend our heartfelt thanks to the following donors for their invaluable support:

  • Chicago Community Trust
  • Crown Family Philanthropies
  • John A. and Catherine T. MacArthur Foundation
  • Joyce Foundation
  • Grand Victoria Foundation
  • Gaylord and Dorothy Donnelley Foundation
  • McDougal Family Foundation
  • Prince Charitable Trusts
  • Surdna Foundation
  • Walder Foundation
  • Yagan Family Foundation

Connect with us to find your solution today!

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