Collection Systems and Stormwater 2026 Exhibition and Sponsorship

The 2026 Collection Systems and Stormwater Conference (CSSW) will take place from July 8-11, 2026, in Portland, OR.

The WEF Collection Systems & Stormwater Conference convenes the professionals responsible for managing collection systems, stormwater, watersheds, and small systems. With an expanded technical program that reflects today’s interconnected water challenges, the event focuses on practical, data-informed approaches to resilience, integrated planning, and system performance.

Through technical sessions, interactive discussions, exhibits, and hands-on learning opportunities, attendees engage with peers and solution providers to share lessons learned, explore innovative tools and strategies, and strengthen the systems that protect public health and the environment.

 

Become an Exhibitor

Advance sales open on February 3rd, 2026. General sales open on February 17th, 2026. 

Booth Pricing: $28/sq foot for WEF Exhibitor Members 
                     $34/sq foot for Non-Members 
                     $95 corner fee

SUBMIT YOUR BOOTH APPLICATION  VIEW THE FLOOR PLAN

Exhibitor Resource Center (ERC) Exhibitor information

Full Payment is due with application. Payment must be recieved before your booth selection can be approved. 

Become an Exhibitor Member to receive a discounted booth space rate.

 

Sponsorship

2026 information coming soon. Please reference the 2025 Sponsorship Prospectus to view previous offerings:

View the 2025 Sponsorship Prospectus

Each opportunity offers multiple brand exposures before, during, and after the event, at price points designed for any marketing plan.

Overall Sponsor Benefits:
• Enhanced visibility to conference attendees and WEF
members
• Logo recognition on sponsor slide
• Logo recognition on sponsor signage
• Logo with directory listing in conference program
• Logo on sponsor banner on conference website
• Access to exclusive sponsor graphics for marketing use
• Pre-registered or final attendee lists (no email addresses)
• Sponsor badge ribbons

License & Cancellation

Exhibitors are required to review the Exhibitor License Agreement before signing the contract. By signing the contract, the exhibitor agrees to all terms and conditions of the License.

Booth Cancellation Fee Schedule:
For cancellation fee structure, refer to Exhibitor License Agreement

On or Before May 5, 2026

Exhibitors who provide a written cancellation are liable for liquidated damages equal to 25% of the total contracted booth space fee

May 6, 2026 – 4:30 pm July 8, 2026

Liable for 100% liquidated damages of the contracted booth space fee

After 4:30 pm, July 8, 2026

Forfeit the space and pay as 100% liquidated damages of the total contracted booth space fee

 

If you have any further questions, please contact The Specialty Conferences Team at ConferenceSales@wef.org or by phone at 703-684-2437.  

 


Return to CSSW 2026 Main Page

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