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.

Industrial Water Resources
WEFTEC 2023 Exceeds Expectations

This year’s WEFTEC, the Water Environment Federation's Technical Exhibition and Conference, lived up to its reputation as the water sector's leading marketplace for ...

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Climate Change
How Rising Water Vapour in the Atmosphere is Amplifying Warming and Making Extreme Weather Worse

Nobel Prize-winning climatologist Kevin Trenberth explores the complex relationship between climate change and atmospheric moisture.

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DC Water’s Newest Tunnel Project Cuts Anacostia River CSOs by 98%

DC Water completes Northeast Boundary Tunnel ahead of schedule after 5 years of construction.

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Climate Change
Forecasters Pursue ‘Non-Stationarity’ in Flood Predictions

Recent research efforts illustrate that using past data to predict future flooding is becoming less appropriate in a warming world.

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Stormwater & Watershed Management
Green Infrastructure Protects Salmon From Pollutants and Plastics

A pair of recent studies show how simple green infrastructure can virtually eliminate salmon mortality rates due to toxic runoff from roadways

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April 9

Stormwater Summit 2024

Join us in Hartford, CT., 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

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

Rainfall to Results

Based on input from leading stormwater professionals, this report details the challenges, opportunities, and pathways to improving the nation’s stormwater systems to make them more efficient, effective, and sustainable.

This updated version was released in June 2023.

Read the Report

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. 

Purchase the book

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

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.