The conference brief
Upcoming editionWEFTEC 2027
WEFTEC, organized by the Water Environment Federation, is the largest annual water quality exhibition and conference in North America. The 2027 edition runs at McCormick Place in Chicago during WEF's centennial year, with a Centennial Gala on September 26. It pairs a large exhibition floor of water and wastewater vendors with technical sessions on compliance, PFAS, infrastructure renewal, and water reuse.
- Water
- Conference dates
- September 25–29, 2027
- Location
- Chicago, USA
- McCormick Place
- Ticket guide
- Price unconfirmed
- See pass types and eligibility
- Format
- In person
- Organized by Water Environment Federation
01 / Make the call
Is this the right room?
Emitree's assessment of audience fit. Conference access does not establish buying intent or guarantee meetings.
Consider it if
You sell water or wastewater treatment technology, infrastructure, reuse systems, PFAS remediation, or utility-facing software, and want a room of municipal and industrial buyers who specify or approve capital spend.
Consider another event if
You sell voluntary carbon credits, renewable energy PPAs, or general ESG reporting software unrelated to water compliance.
02 / Understand the audience
Who attends
WEF says more than 20,000 water professionals from 100+ countries attend, and that 70% of professional attendees influence purchasing decisions. Attendees are mostly utility engineers, plant operators, municipal buyers, and consultants. No 2027 audience figure is published yet.
How large is the event?
Organizer claim for 2027: more than 1,000 exhibitors and 125+ technical sessions (WEFTEC homepage). The 2026 edition expected more than 23,000 attendees (WEF press release).
Companies and organizations
A sample of organizations featured by the organizer, including attendees, sponsors, exhibitors, partners and speakers. Each group shows its published role and edition.
Sponsors
2026- Blue-White
- Grundfos
- Schneider Electric
- Xylem
- Jacobs
- Vaughan
- Komline
- Badger Meter
- Carollo
- CDM Smith
- GHD
- Hazen
Find the people who fit your offer.
We research the WEFTEC attendee list, qualify the accounts against what you sell and run the outreach for your team.
Book a call to discuss your conference list.
03 / Check your access
Tickets and eligibility
2027 registration prices are not published yet. Exhibitor sales for 2027 open on December 1, 2026.
Rates and eligibility can change. Confirm the current price, tax treatment and included sessions with the organizer.
Check registration with the organizer ↗04 / Plan the details
Before you book
The 2027 exhibition-only days are not published yet. Later editions: New Orleans 2028 (September 23-27) and Chicago 2029 (September 29-October 3).
- Venue
- McCormick Place
- Organizer
- Water Environment Federation
Conference history
Other editions
Each edition keeps its own dates, audience research and source checks.
WEFTEC 2026September 26–30, 2026 · New Orleans, USA
Past edition
WEFTEC, organized by the Water Environment Federation, is the largest annual water quality trade show and conference in North America. It pairs a full exhibition floor of water and wastewater technology vendors with technical sessions on compliance, PFAS, infrastructure renewal, and the circular water economy.
Who attended / audience research
WEF says more than 20,000 water professionals from 100+ countries attend, and that 70% of professional attendees influence purchasing decisions at their organization. Attendees are mostly utility engineers, plant operators, municipal buyers, and consultants. 2026 sponsors included Xylem, Grundfos, Schneider Electric, and Jacobs.
Audience fit
Consider it if: You sell water or wastewater treatment technology, infrastructure, reuse systems, PFAS remediation, or utility-facing software, and want a room full of municipal and industrial buyers who specify or approve capital purchases.
Consider another event if: You sell voluntary carbon credits, renewable energy PPAs, or general ESG reporting software unrelated to water compliance. Utility engineers and plant operators are not shopping for those categories here.
Event size
WEF's opening press release (September 28, 2026) said more than 23,000 attendees were expected, with 135+ technical sessions and about 1,000 exhibitors; the homepage counter shows 950+ exhibiting companies. No post-show attendance count is published yet.
Tickets and access
The 2026 edition has ended. Registration prices for WEFTEC 2027 are not published yet.
Edition notes
The 2026 exhibition ran September 28-30 and sold out. The next edition is WEFTEC 2027 in Chicago, September 25-29, 2027.
Ernest N. Morial Convention Center · Original research August 27, 2026.
The practical questions
Before you decide
Is WEFTEC 2027 still upcoming?
This edition is listed for September 25–29, 2027. Check the organizer's page for changes before booking.
Where can I find the WEFTEC exhibitor list?
We have not linked a public exhibitor directory for this edition. Ask the organizer about current directories and attendee access.
Does a company listing confirm who will attend?
A sponsor, exhibitor or speaker listing establishes that published role. It does not establish which employees will attend or whether they are buying. Previous-edition examples remain historical.
How can Emitree help with WEFTEC?
We research relevant accounts using public conference sources and any lists you provide. We qualify the accounts against your offer, run agreed outreach and record replies and meetings in your CRM.
The research behind this page
Sources and checks
Original research: . Later checks cover the subjects named beside each source.
- Official 2027 dates and venue ↗
- Centennial events and future dates ↗
- 2027 exhibitor sales date ↗
- 2026 sponsors (official sponsor page) ↗
Organizer figures retain their stated edition and basis. Emitree's audience-fit guidance is an assessment of the published information.
Your next conversation starts here
Know who is worth meeting.
Tell us what you sell and who you need to reach at WEFTEC. We research the accounts, qualify the fit and run the outreach.
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