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.

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

Compare events Get the planning spreadsheet

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

2 conferences

Mar 2027

Mar

1–4

WateReuse Symposium 2027 (42nd Annual)

Tickets

$1,500+

Las Vegas, USA · North America · Mar 1-4, 2027 · $1,500+

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 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.
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.
Scale: 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.
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).
Access & notes: 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.

Water

Sources:Official dates checked; other details retain their original research date

Full conference guide →Website

Mar

9–12

Aquatech Amsterdam 2027

Tickets

Free

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

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

Water

Sources:Official dates checked; other details retain their original research date

Full conference guide →Website

Build your conference shortlist

The planner covers the full sustainability inventory, including past editions. Use this page’s selection guidance to narrow your list, then confirm dates and pass eligibility with organizers.

Turn this list into your conference plan

Get the directory as a planning workbook: an overview tab plus a page for every single event, ready for your notes, budgets, and the prospects you want to meet there. We send you the refreshed edition every quarter, so the next season never sneaks up on you.

Your email goes to the workbook download and the quarterly edition. Nothing else.

Prepare relevant outreach before the event

Emitree helps research target accounts and the people responsible for a buying decision, then develops outreach around a relevant offer. Start with the organizations that fit your market and confirm their event plans directly.

Explore outreach for this industry