Stormwater & Watershed Management

Between the rise of green infrastructure, the effects of climate change, increasingly complex regulations, and the seemingly endless pursuit of infrastructure funding, the stormwater management sector is more dynamic than most public services. Stay on top of new trends, studies, and developments that shape the stormwater sector with these resources. 


The latest stormwater articles, videos, and other content from throughout the organization and across the water sector.

Stormwater & Watershed Management
Researchers Pinpoint Financial Value of Urban Stream Restoration

New methodology quantifies benefits and residents’ willingness to pay for urban stream cleanup and restoration projects.

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Stormwater & Watershed Management
New Classification System Focuses on Wetland Connectivity

Researchers explore how the ways wetlands connect with downstream waters affect the level and type of ecosystem benefits they provide.

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Stormwater & Watershed Management
Conference Papers Offer Glimpse into Evolution of Stream Management Sector

New research analyzes nearly 1,000 papers submitted to the Australian Stream Management Conference since 1996, detailing environmentalists’ changing priorities.

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Government & Regulatory Affairs
National Stormwater Policy Forum Provides Updates on State of U.S. Stormwater Sector

Stormwater professionals from across the U.S. recently met in Washington, D.C., to learn about the latest trends shaping national stormwater policy

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Climate Change
Largest-Ever Freshwater Restoration Campaign Launched at UN Water Conference

Governments agree to restore at least 300,000 km of polluted rivers and 350 million ha of degraded wetlands by 2030

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Stormwater & Watershed Management
Public-Sector Green Infrastructure on the Rise, New Report Finds

Inaugural State of Public Sector Green Stormwater Infrastructure report outlines challenges and opportunities for green infrastructure implementation.

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Featured Stormwater Resources

The featured resources below are just a sample of everything WEF has to offer. Search our entire website and technical resource database for more.


Stormwater Advocacy

The Stormwater Community annually hosts the National Stormwater Policy Forum to advance the latest legislative and regulatory concerns of the stormwater sector legislators and regulators. This outreach includes creating the Recommendation to Improve the Stormwater Program In the U.S. document that stormwater advocates can use year-round.


Learn About the Issues

MS4 Awards

Officially titled, the National Municipal Stormwater and Green Infrastructure Awards, this program inspires municipal separate stormwater sewer programs (MS4s) to seek innovative ways to meet and exceed regulatory requirements.

The application period is open now. Deadline June 5.

Apply Now

Stormwater, Watershed, and Receiving Water Quality Modeling

This special publication presents state-of-the-art stormwater modeling and is a practical tool that presents a broad compilation of existing models, their capabilities, and a roadmap for users to assist in the selection of such models for diverse applications. 

More on Stormwater Modeling

U.S. MS4 Needs Assessment Survey

This one-of-a-kind biennial national survey seeks to understand municipal separate storm sewer system (MS4) sector challenges, drivers, and needs.

Data was collected for the third installment in the series from late 2022 through early 2023.

See the Results

Stormwater Publications

Urban Stormwater Controls Operation and Maintenance

WEF Manual of Practice No. 39 includes the best practices for the continued operation of stormwater control measures (SCMs) for your stormwater programs. The material covered will be of particular use to designers of SCMs, utility managers, and O&M staff. 

Get MOP 39

User-Fee-Funded Stormwater Programs

A must-read for agencies and public works departments interested in developing charge systems for stormwater programs based on fee structures. 

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Green Infrastructure Implementation

This book provides actionable information promoting the implementation of green infrastructure. Unlike most publications, which focus on technical design of individual green elements, this peer-reviewed book tackles topics related directly to the ability to implement green infrastructure.

Purchase the book
June 27

Stormwater Summit 2023

Join us in Kansas City, MO., to experience a robust program highlighting continued advances in the stormwater sector. Hear from professionals as they highlight new technologies, successful innovations, and current best practices.


Learn more about the Stormwater Summit

Find the Stormwater & Watershed Communities You Need


This community provides leadership and a voice for effective stormwater management by developing high-quality technical products and programming to support stormwater professionals.

Join the Stormwater Community


This community develops and conducts activities to advance the understanding, planning, implementation, and use of watershed management tools and techniques to enhance the global water environment more effectively.

Join the Watershed Management Community

Join or Renew Your WEF Membership Today

Connect with our community of water professionals who ensure that our local communities have access to clean water that protects public health. Explore our member benefits and find the membership type that’s right for you.

Join or Renew Online

Visit Our Community Platform

This virtual workspace, called WEFUnity, empowers WEF members to network and collaborate in an online environment.

See what's happening in the Community Platform


WEF is a source of high-quality technical resources featuring the latest research, news, and education. WEF's members and other credible resources have created and compiled this information into the Practice Area groupings listed in the dropdown menu.