Water conferences 2026–2027

Choose water events by basin, facility needs and buyer role before researching the organizations to approach.

For industrial reuse suppliers, water-risk advisors and replenishment providers. Separate municipal utility procurement from industrial site engineering and corporate watershed programs.

3 upcoming or in-progress events · 3 selected editions. Dates, ticket information and access notes are shown below with their review status.

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How to choose the right room

Utility and treatment procurement

WEFTEC and Aquatech provide utility and technology context. Distinguish plant engineering, equipment procurement and municipal decision-making when choosing sessions.

Industrial reuse and innovation

WateReuse can help frame reuse, pilots and technology partnerships. Confirm whether an organization operates relevant sites and whether the person manages operations, innovation or investment.

Corporate stewardship needs basin context

A water technology floor does not establish access to corporate replenishment buyers. For basin-risk or replenishment offers, research the watershed, corporate commitments and program owner separately.

Compare dates, prices and access

Upcoming events include editions ending today (UTC). Use past editions for historical comparison. Audience descriptions help you qualify fit; they do not guarantee attendance, introductions or access to restricted sessions.

Include past editions

Month

Region

Price

Focus

3 conferences

Sep 2026

Sep

26–30

WEFTEC 2026

Tickets

$1,500+

New Orleans, USA · North America · Sep 26-30, 2026

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's thereWEF states more than 23,000 water professionals attend from over 100 countries, and that 70% of professional attendees influence purchasing decisions at their organization. Attendees are mostly utility engineers, plant operators, municipal buyers, and consultants. Sponsors and exhibitors include Xylem, Grundfos, Schneider Electric, Autodesk, and Jacobs.

TicketsFull Conference and Expo, member rate: $950 early bird (May 5-Jun 28), $1,180 standard (Jun 29-Aug 23), $1,255 onsite (Aug 24-Sept 30). Non-member: $1,335 / $1,710 / $1,785 for the same windows. Expo-only passes run $150-$375 by tier and membership. Reduced rates apply for academic, professional operator, and young professional WEF members ($675-$855); WEF student members attend free. The onsite rate window now applies. The August 26, 2026 cancellation deadline has passed: refunds are no longer available, and any cancellation now forfeits the full registration fee.

Access & notesThe early-bird window closed June 28 and the standard window closed August 23, 2026. The onsite rate, good through September 30, is the current price.

Source check 2026-09-14; see linked source scope. Original record 2026-08-27. Confirm current availability with the organizer.

Official dates checked; other details retain their original research date

Full details

Tickets: Full Conference and Expo, member rate: $950 early bird (May 5-Jun 28), $1,180 standard (Jun 29-Aug 23), $1,255 onsite (Aug 24-Sept 30). Non-member: $1,335 / $1,710 / $1,785 for the same windows. Expo-only passes run $150-$375 by tier and membership. Reduced rates apply for academic, professional operator, and young professional WEF members ($675-$855); WEF student members attend free. The onsite rate window now applies. The August 26, 2026 cancellation deadline has passed: refunds are no longer available, and any cancellation now forfeits the full registration fee.

Who's there: WEF states more than 23,000 water professionals attend from over 100 countries, and that 70% of professional attendees influence purchasing decisions at their organization. Attendees are mostly utility engineers, plant operators, municipal buyers, and consultants. Sponsors and exhibitors include Xylem, Grundfos, Schneider Electric, Autodesk, and Jacobs.

Room: WEF states more than 23,000 attendees from 100+ countries, 950+ exhibitors (a separate attend page on the same site cites 1,000+), and 125+ technical sessions. These are organizer figures for the WEFTEC series generally. The 2026 edition has not happened yet, so no independently verified post-show actual exists.

Go 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.

Skip 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.

Worth knowing: The early-bird window closed June 28 and the standard window closed August 23, 2026. The onsite rate, good through September 30, is the current price.

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Mar 2027

Mar

1–4

WateReuse Symposium 2027 (42nd Annual)

Tickets

$1,500+

Las Vegas, USA · North America · Mar 1-4, 2027

The Annual WateReuse Symposium, presented with the Water Research Foundation, is the water reuse industry's largest annual US gathering. It covers water recycling policy, technology, operations, research, and public acceptance across potable, non-potable, and industrial reuse. The 42nd edition, themed 'Confluence in the Desert,' runs at Caesars Palace in Las Vegas.

Who's thereWater utility staff, engineers, regulators, researchers, and water reuse technology and service providers, drawn from across the US and internationally. Trade press coverage of the 2025 Symposium (its 40th anniversary) put attendance at more than 1,000 water industry professionals. The organizer does not publish per-edition headcounts, and no figure is available yet for 2027.

Tickets2027 registration rates had not been published as of late August 2026, and registration was not open. For reference, the 2026 Symposium in Los Angeles (March 8-11, 2026) charged a final onsite rate, in effect February 19 to March 11, of $1,400 for WateReuse members and $1,900 for non-members in USD. Special rates ran $950 for speakers, $450 for students, $950 for Regulator Summit attendees, and a one-day pass at $800 early bird, $900 advanced, or $1,000 onsite. Offsite tours and the Tuesday evening networking event were $65 each. For 2027, a discounted Caesars Palace room rate of $259 per night plus tax runs October 6, 2026 to February 7, 2027, or until the room block fills. VAT status is not stated (US-based event).

Access & notesRegistration for the 2027 edition was not open as of late August 2026. Watch the event page for early-bird windows, and book the Caesars Palace block early since it closes when the rooms sell out.

Source check 2026-09-14; see linked source scope. Original record 2026-08-25. Confirm current availability with the organizer.

Official dates checked; other details retain their original research date

Full details

Tickets: 2027 registration rates had not been published as of late August 2026, and registration was not open. For reference, the 2026 Symposium in Los Angeles (March 8-11, 2026) charged a final onsite rate, in effect February 19 to March 11, of $1,400 for WateReuse members and $1,900 for non-members in USD. Special rates ran $950 for speakers, $450 for students, $950 for Regulator Summit attendees, and a one-day pass at $800 early bird, $900 advanced, or $1,000 onsite. Offsite tours and the Tuesday evening networking event were $65 each. For 2027, a discounted Caesars Palace room rate of $259 per night plus tax runs October 6, 2026 to February 7, 2027, or until the room block fills. VAT status is not stated (US-based event).

Who's there: Water utility staff, engineers, regulators, researchers, and water reuse technology and service providers, drawn from across the US and internationally. Trade press coverage of the 2025 Symposium (its 40th anniversary) put attendance at more than 1,000 water industry professionals. The organizer does not publish per-edition headcounts, and no figure is available yet for 2027.

Room: Trade press put the 2025 Symposium (40th annual) at more than 1,000 attendees. No attendance figure is available for 2027, and registration had not opened as of late August 2026.

Go if You sell water reuse or reclaimed water technology (advanced treatment, membranes, potable reuse systems) or water stewardship consulting, and you want the utility engineers, regulators, and researchers who set reuse policy and specify equipment.

Skip if Your buyers sit outside municipal or industrial water reuse. The room skews to utility and engineering staff, not general corporate sustainability buyers.

Worth knowing: Registration for the 2027 edition was not open as of late August 2026. Watch the event page for early-bird windows, and book the Caesars Palace block early since it closes when the rooms sell out.

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Mar

9–12

Aquatech Amsterdam 2027

Tickets

Free

Amsterdam, Netherlands · Europe · Mar 9-12, 2027

Aquatech Amsterdam is the biennial trade exhibition its organizer calls the world's leading show for process, drinking and wastewater technology, held at RAI Amsterdam. It concentrates industrial, municipal and technology buyers across five themed program tracks in one venue.

Who's thereThe prior 2025 edition drew 25,000-plus visitors, 850-plus exhibiting companies and representation from 140-plus countries per the organizer's own recap, with entry restricted to trade visitors aged 16 and over. No published breakdown of attendee job titles, seniority or buyer-to-seller ratio was found on the official site. Content is organized into five program tracks called Worlds: Industrial and Corporate Water, Digital and AI, Clean Water, Urban Resilience, and Wastewater and Resources.

TicketsThe official 2027 page offers free visitor registration. Check separately ticketed activities and pass conditions when registering.

Access & notesAquatech Amsterdam runs on a two-year cycle rather than annually, so this March 2027 edition is the next occurrence after the 2025 show, not an annual return.

Source check 2026-09-14; see linked source scope. Original record 2026-08-25. Confirm current availability with the organizer.

Official dates checked; other details retain their original research date

Full details

Tickets: The official 2027 page offers free visitor registration. Check separately ticketed activities and pass conditions when registering.

Who's there: The prior 2025 edition drew 25,000-plus visitors, 850-plus exhibiting companies and representation from 140-plus countries per the organizer's own recap, with entry restricted to trade visitors aged 16 and over. No published breakdown of attendee job titles, seniority or buyer-to-seller ratio was found on the official site. Content is organized into five program tracks called Worlds: Industrial and Corporate Water, Digital and AI, Clean Water, Urban Resilience, and Wastewater and Resources.

Room: The organizer reports the 2025 edition, the most recently completed one, drew 25,000-plus visitors and 850-plus exhibiting companies from 140-plus countries, presented as an actual result. Separate 2027 marketing copy anticipates over 25,000 visitors and about 900 exhibiting companies, and general event copy cites a baseline of 22,000-plus visitors and 900 exhibitors every other year; these forward-looking figures are organizer expectations, not a confirmed 2027 actual.

Go if You sell industrial water technology, water stewardship or replenishment services, or digital and AI water management tools to European industrial, municipal, or utility buyers. It's the largest recurring water-sector trade show in the window, with five thematic tracks.

Skip if You sell outside the water vertical, where carbon markets, ESG software, circularity, and renewables get no dedicated track, or you can't commit to exhibiting or meeting-booking. Free registration alone yields floor access, not guaranteed buyer meetings.

Worth knowing: Aquatech Amsterdam runs on a two-year cycle rather than annually, so this March 2027 edition is the next occurrence after the 2025 show, not an annual return.

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Build your conference shortlist

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