# Tri-State Seminar, LLC > Professional development and continuing education for water and wastewater professionals. (iPhone/iPad app by Tri-State Seminar, LLC.) - Source: https://appshunter.io/ios/app/tri-state-seminar-llc/id1634234257 (this page in markdown: same URL + `.md`) - Developer: [Tri-State Seminar, LLC](https://appshunter.io/developer/1634234259) - Category: Business - Price: Free - Rating: 4.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 70 MB - Languages: American English, Bulgarian, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek and 20 more - Released: 2022-07-13 - Data updated: 2026-07-19 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/tri-state-seminar-llc/id1634234257/reviews.md ## What is Tri? Since 1985, the Tri-State Seminar, LLC (TSS) has been providing affordable, high-quality education to water and wastewater professionals from the western United States through our annual three-day seminar. The seminar is designed to provide continuing education, professional development, and technology transfer to support the mission and vision of our Member Associations; AZ Water Association (AZ Water), California Water Environment Association (CWEA), and the Nevada Water Environment Association (NWEA). In 2019, more than 3,300 attendees joined us from 20 states and 3 countries to attend more than a dozen workshops, three different tours, and over 200 classes and engaged with over 300 exhibitors. While we did not host an event in 2020 due to the pandemic, in 2021, we managed to host a successful scaled-back event with over 2,800 attendees (even with our masks on!). In 2022, we were officially back from pandemic pandemonium! We hosted almost 3,600 attendees and brought back some tours alongside our workshops. This year, we have more than 200 technical sessions scheduled and are offering a record number (13) of single and multi-day workshops! Tours to the Hoover Dam and Venetian Hotel have resumed, and we have a great local wastewater treatment plant tour scheduled as well. TSS strives to give you and your employer the very best Bang for Your Buck! Over the three-day event, we provide up to 21 contact hours to our attendees and with a registration fee of $99, that means you and your employer reap the rewards of your continued training at less than $4.75 per hour! This year, with split lunch schedules, enterprising individuals can get up to 8 technical sessions per day for the same low price of $99 (less than $4.15 per hour)! Where else in our highly specialized industry can you find high-quality training at this rock bottom price? ## Key features - Continuing education for professionals - Workshops and technical sessions - Industry tours - Professional development - Affordable registration ## Frequently asked questions about Tri ### What is Tri-State Seminar, LLC? Tri-State Seminar, LLC (TSS) is an annual three-day seminar offering affordable, high-quality education for water and wastewater professionals. It focuses on continuing education, professional development, and technology transfer. ### Who is the Tri-State Seminar, LLC app for? The app is designed for professionals in the water and wastewater industry, particularly those associated with the AZ Water Association, California Water Environment Association, and Nevada Water Environment Association. ### What kind of educational content does Tri-State Seminar, LLC offer? The seminar provides access to over 200 technical sessions, numerous workshops (single and multi-day), and industry tours to locations like the Hoover Dam and local wastewater treatment plants. ### How much does it cost to attend the Tri-State Seminar, LLC? The registration fee is $99 for the three-day event, which provides up to 21 contact hours. This equates to less than $4.75 per hour of training. ### Does Tri-State Seminar, LLC offer online or in-person training? The primary offering is an in-person annual seminar. While the app facilitates access to information about the seminar, it is centered around this physical event. ### What is the update frequency for the Tri-State Seminar, LLC app? The app was last updated on May 26, 2026, indicating active development and maintenance for upcoming events. ### What is the user rating for Tri-State Seminar, LLC? The app has a rating of 4.0 stars based on one user review, suggesting a generally positive user experience. ### Is Tri-State Seminar, LLC suitable for all ages? The app has an age rating of 4+, making it suitable for a broad audience, though its content is specifically targeted at professionals in the water and wastewater industry. ## Version history (last 5 releases) ### 2.7.0 — 2026-07-10 Bug fixes and enhancements to improve the overall attendee app experience. ### 2.6.0 — 2026-05-26 Bug fixes and enhancements to improve the overall attendee app experience. ### 2.5.0 — 2026-01-03 Bug fixes and enhancements to improve the overall attendee experience. ### 2.4.2 — 2025-06-26 Bug fixes and enhancement to improve the overall attendee experience ### 2.4.1 — 2024-11-06 Bug fixes and enhancements to improve the overall attendee experience. ## Apps similar to Tri | App | Rating | Price | Category | | --- | --- | --- | --- | | [Infovisa Client Conference](https://appshunter.io/ios/app/infovisa-client-conference/id1580812080) | — | Free | Business | | [Focus Building Inspections](https://appshunter.io/ios/app/focus-building-inspections/id1587251620) | — | Free | Business | | [Eighty6 Shop](https://appshunter.io/ios/app/eighty6-shop/id1587187340) | 5.0 (1) | Free | Business | | [Trade Free](https://appshunter.io/ios/app/trade-free/id1582525640) | — | Free | Business | | [Esupl POS](https://appshunter.io/ios/app/esupl-pos/id1579242840) | — | Free | Business | | [Krishna Bullion](https://appshunter.io/ios/app/krishna-bullion/id1589772140) | — | Free | Business | ## Related topics [tri-state](https://appshunter.io/ios/topics/tri-state) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-19.*