There is a pretty spectacular array of 2026 special events for professionals in the US portable restroom rental and septic services industry. Here is a rundown of national tradeshows, conventions, seminars, and other events scheduled for this year. We have included the itinerary, highlights, and information and registration links for each event. Plus, we’ve added a little info about the history of the host city and its major attractions, and links to the key details about popular hotels, restaurants and cafés near the event venue.
2026 Portable Restroom and Septic Services Industry Events
The popularity of these events has skyrocketed over the years because of the wealth of opportunities they present to business owners and their teams for networking, purchasing, and learning.
WWETT Show 2026
The WWETT Show 2026 will be held from February 16–19, Indiana Convention Center, Indianapolis, IN. The Water & Wastewater Equipment, Treatment & Transport Show is the world’s largest annual tradeshow for wastewater handling professionals.
- Registration: WWETT event registration
- Itinerary: Extensive range of conferences featuring over 100 expert speakers on topics ranging from reducing employee turnover to sustaining profitable growth to AI applications and advantages.
- Highlights: The 300,000 square foot Expo Hall filled with over 550 equipment and supply vendor exhibits, featuring live product demonstrations and introductions to cutting-edge technologies, Welcome Party, Expo Hall Happy Hours, multiple other receptions and networking mixers
- City History & Attractions: Indianapolis Motor Speedway Museum, Newfields Art Museum, the Holiday Park Ice Skating Rink, the Children’s Museum (world’s largest), and many other local attractions
- Recommended Hotels: Access a list of suggested hotels in downtown Indianapolis through the WWETT website link to the accommodations page. It includes room rates and other details.
- Restaurants and Cafés: For some of the best food and drinks and great atmosphere near the convention center, start with this great list of downtown Indianapolis restaurants and cafés.
The Water Expo
This year’s The Water Expo, August 12–13, 2026 in Fort Lauderdale, FL, will mark the 15th year of the national event. This spectacular tradeshow features an exceptional experience featuring educational opportunities, exhibits, and fun networking activities for attendees:
- Registration: The Water Expo registration
- Itinerary: Main product suppliers for the industry will present live demos. Sign up for various events, including presentations on Wastewater-Sewer Infrastructure, Trenchless & Pipe Rehab, Water Quality & Filtration, Liquid Waste & Portable Sanitation, Software, and more, with over 60 expert speakers.
- Highlights: The Expo offers a packed schedule, including facility tours, Happy Hour, a Sponsor Reception, and other great networking and social events.
- City History & Attractions: In South Florida there’s lots of golf, but it’s really about the beaches, and Ft Lauderdale Beach is among the best on the Gold Coast. There are so many unique cafés, pubs, and shops on Fort Lauderdale Beach Blvd, which runs along the sand, you won’t want to leave. Take intersecting Las Olas and stroll that famous boulevard to some of the state’s best restaurants and fine shops.
- Recommended Hotels: For a detailed guide to hotels in Fort Lauderdale near the Broward County Convention Center (near Las Olas Blvd), see Affiliated Hotels.
- Restaurants and Cafés: Here’s a guide to the best restaurants and cafés near the convention center and along Las Olas.
WasteExpo 2027
The WasteExpo 2027 will take place from May 3–6, Washington Hilton, Washington, D.C.. The WasteExpo is a biennial event, last held in 2025. It is the biggest tradeshow for the waste management and recycling industry in the United States.
- Registration: WasteExpo 2027 registration
- Itinerary: WasteExpo schedule of conferences, curated networking events, the Investor Summit, the equipment Showcase experience, and business leadership-centered activities
- Highlights: Learning sessions featuring executives of small- to medium-sized waste service and recycling companies, municipal and private waste management leaders, investors, and peer business operators
- City History & Attractions: There’s no end of exciting things to see and do at the nation’s capital, such as the Smithsonian Institute museum, the Naval Museum (with heavy equipment you can operate!), the Washington Monument, Lincoln Memorial, the Potomac River, the US Capitol Building, and so much more.
- Recommended Hotels: You can book hotel rooms at the venue or at nearby hotels in downtown D.C.
- Restaurants, Cafés, Entertainment: Check this ever-reliable info resource on restaurants and cafés in downtown D.C. near the venue.
Onsite Wastewater Mega-Conference 2026
This year’s Onsite Wastewater Mega-Conference will be from October 25–28, Westminster Westin Hotel, Westminster, CO. This will be the 11th year for the annual event, sponsored by collaborating onsite wastewater organizations, including the National Onsite Wastewater Recycling Association, the National Association of Wastewater Technicians, SORA, the State Onsite Regulators Alliance, and the Colorado Professionals in Onsite Wastewater (for those who did not know there are so many major organizations supporting the field).
- Registration: OWMC 2026 registration
- Itinerary: The OWMC 2026 event features an abundance of workshops and other learning sessions, social and networking activities, product exhibitions, contests, and more
- Highlights: Cornhole Tournament fundraising event (for NOWRA’s Emerging Professionals Scholarship Fund), technical learning sessions (some offer continuing ed credits), spectacular exhibitor’s hall, presentation contest for emerging pros, Monday social event, Wednesday full-day field trips, and more
- City History & Attractions: Beautiful Westminster, Colorado, a northwest Denver suburban community, is home of the famous Westminster University (a.k.a. Westminster Castle). The area is popular for its many gorgeous parks, bike trails, playgrounds, and, of course, its quick access to all the wonders of Denver metro, and to Boulder, just 20 miles north.
- Recommended Hotels: You can reserve a room at the venue, but book early to ensure availability. Or, you can stay at one of the various excellent nearby hotels.
- Restaurants, Cafés, Entertainment: There are seemingly countless great places to eat near the Westin Hilton.
ISSA Show North America
ISSA Show North America will be held from November 16–19, 2026, Mandalay Bay Convention Center, Las Vegas, NV. The Mandalay Bay Resort is a world-famous hotel and event venue in The Entertainment Capital of the World. Come for the ISSA Show, and get some sun poolside, and check out the unparalleled Vegas nightlife!
- Registration: Register to attend the ISSA Show 2026
- Itinerary: Show schedule for ISSA 2026
- Highlights: The ISSA Show features a wealth of exhibits of the latest wastewater handling industry products and innovations, live demonstrations on the expo floor, over 80 educational sessions featuring industry professionals, and abundant networking opportunities.
- City History & Attractions: It’s Las Vegas, so everywhere you turn your eye is a globally famous attraction. You have everything you need to enjoy yourself thoroughly without ever leaving Mandalay Bay. But, venture out onto the strip and be dazzled by the greater City of Lights. Or, if you want a desert experience, drive beyond the city limits for a dip in Lake Mead and a mountain view across the Nevada desert.
- Recommended Hotels: Room rates and reservation information for Mandalay Bay Resort
- Restaurants, Cafés, Entertainment: There is an over-abundance of amazing restaurant options at Mandalay Bay. Near the resort, there are countless other great restaurants and cafés.
Industry Organizations for Information and Support
These key professional associations are exceptional resources for navigating the field of wastewater handling business operations. They sponsor a range of events like the major annual national conferences and tradeshows above, and they are very helpful in directing professionals to industry information and education sources:
Onsite Wastewater Professionals: The OWP hosts various national conferences for exploration of topics of high interest to onsite wastewater industry professionals, including the Onsite Wastewater Mega-Conference and SEPTIC-CON.
National Association of Clean Water Agencies: The NACWA sponsors an array of annual industry events, including Water Week, the Utility Leadership Conference, and multiple workshops.
Air & Waste Management Association: The A&WMA hosts events such as the Waste Information Exchange, which presents discussions on waste industry topics featuring experts from numerous specialties across the field.
US Composting Council: The USCC holds events such as its annual COMPOST Conference, with examinations of topics involving composting and recycling organics.

