The New Hampshire Water Works Association's annual expo for the state's public drinking water industry, held Wednesday, October 21, 2026 at the Grappone Conference Center in Concord. The day pairs an exhibit hall of forty vendor booths showing drinking water products and services with ten educational seminars held two at a time, worth up to 5 Training Contact Hours for operators. Registration ($125 NHWWA members, $150 non-members) includes all seminars, the trade show floor, breakfast pastries and coffee, a hot buffet lunch and an afternoon reception with a prize raffle. For exhibitors, the show offers 16 Prime and 21 Regular booth spaces; the organizer reports all booths for 2026 are sold out, with sponsorships still listed.