WEF/WEAT Collection Systems and Stormwater Conference 2025

July 15-18, 2025 | Houston, TX

The latest about CSSW 2025

This conference is hosted by the Water Environment Federation in partnership with the Water Environment Association of Texas.

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Save the date for the 2025 Collection Systems and Stormwater Conference! 

Call for Content

The Call for Content is now open and will close on January 27, 2025 at 11:59 PM Eastern. WEF is soliciting abstracts, workshop proposals, and session proposals on a variety of topics related to stormwater and collection systems management. To learn more, click the link below to view or download the Call for Content.

View the Call for Content

Submit Here

For questions, please email CSSWConf@wef.org

 

Education & CEUs

The full program for the 2025 conference will be announced in March 2025. To see what was presented at last year's conference, click the link below.

See the 2024 Program

Info on Continuing Education Credits

Learn About Speaker Requirements

Exhibition

Exhibit information will be available at the start of General Sales in Late January, 2025. 

Explore more than 60 collection systems and stormwater exhibitors who came to CSSW in 2024.

Browse Exhibitor List

View the Floorplan

If you have any further questions, please contact our Sales Coordinator Micah Tsoi at mtsoi@wef.org or at 703-684-2409.

Find Out How to Exhibit & Sponsor

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

Operations

From hands-on-training and leadership opportunities, such as Operations Challenge, to online training, such as the Wastewater Treatment Fundamentals series, WEF provides operators with many opportunities to advance on-the-job knowledge and develop their careers.

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Water & Wastewater Treatment

More than 16,000 publicly owned water resource recovery facilities operate in the United States. Skilled engineers and operators work together to ensure new and updated facilities continue to protect public health and the environment.

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Biosolids Resource Recovery

Through biosolids management, solid residue from wastewater treatment is processed to reduce or eliminate pathogens and minimize odors, forming a safe, beneficial agricultural product. Biosolids are carefully monitored and must be used in accordance with regulatory requirements.

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Industrial Water Resources

Industries treat and reuse wastewater and process water as well as provide environmentally sustainable wastewater treatment while reducing costs and maintaining value for their businesses.

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Utility Management

To respond to myriad daily challenges faced by water and wastewater utility leaders, WEF continuously works with its members and partners to develop a variety of management initiatives; resources; and educational, training, and networking opportunities.

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Government & Regulatory Affairs

WEF advocacy activities aim to educate WEF members and the water sector on public policy issues related to water quality and resources and equip them to play a greater role in water policy discussions.

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Collection Systems and Conveyance

The system of underground pipes and maintenance structures that convey wastewater has brought dramatic improvements to public health. Most sewers carry wastes from households and commercial establishments and are referred to as sanitary sewers.

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Stormwater & Watershed Management

Take a comprehensive look at how all water resources, including uplands, drainage basins, wetlands, stormwater, surface water, and groundwater interact.

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Public Health

The water sector and its systems protect public and ecological health. Using the data that can be collected through smart water technologies provides additional insights to address complex public health issues.

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