WEF/WEAT Collection Systems and Stormwater Conference 2025

July 15-18, 2025 | George R. Brown Convention Center, 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 closed. The technical program and schedule of events will be announced in March. To see what topic areas will be covered at this conference, click the link below to view or download the Call for Content.

View the Call for Content

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

General Sales are now Open!

SUBMIT YOUR BOOTH APPLICATION

VIEW THE FLOOR PLAN

Sponsorships are also available. See below for a listing of available opportunities:

View the Sponsorship Prospectus

Please contact Micah Tsoi at mtsoi@wef.org or by phone at +1.703.684.2409 for any further questions.

Find Out How to Exhibit & Sponsor

Registration Will Open in April 2025

Registration

Early Bird Registration Fee
(Deadline to be announced)

Standard Registration Fee

  Member* Nonmember Member* Nonmember
Full Conference  $745 $1,055 $965 $1,385
Full Conference Student $0 $225** $0 $295**
One Day Conference $435 $555 $575 $715
Expo Only $145 $145 $145 $145

* - You must be an active WEF Member to qualify for these rates. Join or renew today.
** - Student Nonmember: To qualify for the Student Non-Member rate, you must provide proof of enrollment in a minimum of six (6) credit hours at an accredited college or university and provide written documentation on school letterhead, verifying your student status.

Registration Fee Includes

  • Access to Technical Sessions
  • Networking events
  • Digital conference proceedings
  • Lunch & Reception – Wednesday, July 16
  • Lunch – Thursday, July 17

Workshops are not included with conference registration. More information about workshops will be announced soon.

Member Rate Qualifications
To qualify for member rates, you must have a current individual WEF membership, valid through the date of the event you are attending. You should have your member ID number. Though your institution may be a member of WEF, you must maintain an individual WEF membership to be eligible to receive the member rate.

Nonmember
If you are not a WEF member or your membership lapses and is not renewed by the time of the event, you will either have to join/renew your membership or pay the non-member rate for the event.

Students who are not members of WEF must pay the student nonmember rate and provide proof of student status, during the registration process.

Payment
Online registration payments are by credit card only (Visa, Mastercard, or American Express). 

Cancellation and Substitution
A written request for cancellation/refund must be submitted by a date yet to be determined. WEF will charge a 25% cancellation fee and refund 75%. No refunds will be issued for cancellations requested after this cancellation deadline. Rather than canceling, consider sending a substitute. An organization may submit a request to substitute one person for another in writing.

Important Note
All attendees must have a unique email address registered. If you are registering for someone else, please enter their email address.

Policies, Terms, and Conditions

Questions? Please contact: Registration@wef.org

Join or Renew Your WEF Membership Today

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

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EXPLORE ALL PRACTICE AREAS

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.

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.

Learn more

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.

Learn More

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.

Learn more

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.

Learn More

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.

Learn more

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.

Learn more

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.

Learn more

Stormwater & Watershed Management

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

Learn more

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.

Learn More