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.

wef.png   WEAT_Logo_Stacked_1Color_Slate4.21.18.png

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

Education & CEUs

Now announcing the full technical program for the WEF/WEAT Collection Systems and Stormwater Conference! Click below to learn more about the 26 sessions, 3 workshops, and 2 tours on offer. 

View the Full 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 & Hotel

Registration and housing are now open!

REGISTER NOW

HOUSING INFORMATION

Registration Rates & Information

Registration Information

 

REGISTER NOW

WEF/WEAT Collection Systems and Stormwater Conference is now open!

Registration

Early Bird Registration Fee
April 22 - June 6

Standard Registration Fee
June 7 - July 18

  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.

CSSW 2025 Workshops and Tour Fees

 

Item Description Date & Time Member Non-Member Student Member Student Non-Member
Workshop A Winning at I/I Reduction – Building on Key Learnings from Successful Utilities Tue, July 15
8:30am - 5:00pm
$195.00 $225.00 $0.00 $175.00
Workshop B Smart Infrastructure for Sewer Solutions: Understanding the physical, digital, and management systems that make sewers smart Tue, July 15
8:30am - 5:00pm
$195.00 $225.00 $0.00 $175.00
Workshop C Innovative Tools for Planning & implementation of Targeted Sweeping for Water Quality Tue, July 15
1:30pm - 5:00pm
$100.00 $125.00 $0.00 $100.00
Tour A City of Houston – 69th Street Wastewater Treatment Plant Wed, July 16
1:00pm - 3:00pm
$60.00 $60.00 $60.00 $60.00
Tour B Keith-Wiess Park Stormwater Detention and Water Quality Basin Tour Thu, July 17
8:00am - 11:00am
$60.00 $60.00 $60.00 $60.00

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 Friday, June 27, 2025. WEF will charge a 25% cancellation fee and refund 75%. No refunds will be issued for cancellations requested after this cancellation date, Friday, June 27, 2025. Rather than canceling, consider sending a substitute. An organization may submit a request to substitute one person for another in writing by Friday, June 27, 2025.

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

Housing Information

2025 Conference Headquarters Hotel:

Hilton Americas - Houston

1600 Lamar Street  | Houston, TX 77010

 

RESERVE ONLINE

RESERVE AT GOVERNMENT RATE

Conference Rate: $225.00/night + 17.5% occupancy tax (tax subject to change)

Conference  Government Rate: $128.00/night + 17.5% occupancy tax (tax subject to change)

Reservation Deadline: Monday, June 23, 2025

 

Getting To and From Houston


Policies, Terms, and Conditions

Questions? Please contact: Registration@wef.org

Join us at the Texan Takeover!

The Water Environment Association of Texas (WEAT) invites CSSW Conference attendees for a lively evening bringing together water professionals from across the country for an authentic taste of Texas hospitality.

Expect good foodgreat beer, and even better company as we celebrate our shared passion for clean water and strong communities. Whether you’re a longtime WEAT member or new to the scene, this is your chance to unwind, make connections, and enjoy the best of what Texas has to offer. Y’all don’t want to miss it!

Date: 5:30 PM, July 15, 2025
Location: Saint Arnold Brewing Company
Registration fee: $35 for CSSW Conference attendees

Register by June 30 to ensure you're on the list!

Get Your Tickets

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

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

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

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

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

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

The logo for WEF Skills BuilderTest your knowledge of wastewater and laboratory with a 10-question, multiple-choice quiz. Quizzes incorporate math, safety, and various other topics to help you test, maintain, and advance your wastewater knowledge.

Take a Quiz