Illinois Urban Manual

Funding source for the IUM update initiative is provided by the Illinois Environmental Protection Agency (IEPA) Clean Water Act, Section 604b grant funds.

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Practice Standards

Construction Specifications

Material Specifications

Standard Drawings

Practice Selection Guide

Quick Reference Guide – Common BMPs

Illinois Urban Manual Contents

Sections

1: Preface and Introduction 2: Non-point Source Pollution Control Processes and Planning Principles 3: Planning Procedures 4: Practice Standards 5: Construction Specification 6: Material Specification 7: Standard Drawings

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March 30, 2026

Communities invited to apply for local planning assistance ~ CMAP / RTA

The annual call for technical assistance — a resource tailored to help communities throughout northeastern Illinois prosper — is now open. The Chicago Metropolitan Agency...

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March 25, 2026

Watercon 2026

WATERCON is Illinois’ Total Water Conference. WATERCON brings together utilities and industry suppliers, consultants, manufacturers and regulators to share information through the exhibits, education and...

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March 20, 2026

NOTICE Illinois Urban Manual (IUM) Standard Update

U.S. ARMY CORPS OF ENGINEERS CHICAGO DISTRICT ILLINOIS URBAN MANUAL PRACTICE STANDARDS: Dry Detention Basin Code 809 Extended Detention Basin Code 810 Wet Bottom Detention...

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Illinois Urban Manual Contents

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