# Wastewater Operator Prep: Exam — Treatment Certification Test > Practice exam questions and explanations for wastewater operator certification. (iPhone/iPad app by Hermes Inteligencia Digital Ltda.) - Source: https://appshunter.io/ios/app/wastewater-operator-prep-exam/id6789188108 (this page in markdown: same URL + `.md`) - Developer: [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) - Category: Education, Business - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 3 MB - Languages: American English - Released: 2026-07-21 - Data updated: 2026-09-09 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/wastewater-operator-prep-exam/id6789188108/reviews.md ## What is Wastewater Operator Prep? Walk into your wastewater operator certification exam ready. Wastewater Operator Prep gives you 1,027 practice questions with a clear explanation for every single answer, so you don't just memorize the right choice - you understand the treatment science behind it. Built for candidates preparing for ABC/state wastewater treatment operator certification exams. WHY IT WORKS Passing isn't about cramming. It's about repeated, targeted practice across every area the exam tests - then reinforcing exactly what you got wrong until it sticks. - 1,027 questions written to match the real exams' style and difficulty - An explanation on every answer, so each question teaches you something - Full treatment-process coverage: Preliminary & Primary Treatment - Activated Sludge - Secondary Clarification - Disinfection - Nutrient Removal - Solids Handling & Biosolids - Laboratory & Sampling - Collection Systems - Math & Dosage Calculations - Safety & Regulations STUDY YOUR WAY - Daily Plan that sizes itself to your exam date and keeps you on pace - Quick 10 for a fast review between shifts - Timed Mode to build exam-day speed and stamina - Smart Review using spaced repetition to resurface weak spots - Full-Length Mock Exam that simulates the real thing - Missed Questions queue so nothing slips through - Custom Quiz to drill any topic on demand TRACK YOUR PROGRESS - Pass probability that updates as you practice - Accuracy broken down by topic - Streaks to keep you consistent - Exam countdown WHO IT'S FOR Wastewater treatment operators preparing for ABC or state certification exams at any grade level. START TODAY Your exam date isn't moving. Start a free trial, take your first Quick 10 today, and watch your pass probability climb. --- SUBSCRIPTION DETAILS Full access is available through an auto-renewing subscription: - Weekly: $5.99 - Monthly: $14.99 A free trial is available for new subscribers. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Terms of Use: https://hermesdigitalbr-spec.github.io/wastewater-legal/terms.html Privacy Policy: https://hermesdigitalbr-spec.github.io/wastewater-legal/privacy.html Terms of Use (EULA): https://www.apple.com/legal/itunes/appstore/dev/stdeula/ ## Key features - 1,027 practice questions - Detailed explanations for each answer - Full treatment process coverage - Personalized daily study plans - Timed practice modes - Progress tracking and pass probability ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Wastewater Prep Weekly | $5.99 | per 7 days | | Wastewater Prep Monthly | $14.99 | per month | ## Frequently asked questions about Wastewater Operator Prep ### What is Wastewater Operator Prep? Wastewater Operator Prep is an educational app designed to help individuals prepare for wastewater operator certification exams. It offers a large bank of practice questions with detailed explanations to ensure a thorough understanding of treatment science. ### Does Wastewater Operator Prep have ads? No, Wastewater Operator Prep does not contain advertisements. The app is free to download and offers full access through an auto-renewing subscription. ### How much does Wastewater Operator Prep cost? Wastewater Operator Prep offers a free trial for new subscribers. Full access is available via a weekly subscription for $5.99 or a monthly subscription for $14.99. ### What topics are covered in Wastewater Operator Prep? The app covers a comprehensive range of topics including Preliminary & Primary Treatment, Activated Sludge, Secondary Clarification, Disinfection, Nutrient Removal, Solids Handling & Biosolids, Laboratory & Sampling, Collection Systems, Math & Dosage Calculations, and Safety & Regulations. ### Can I track my progress with Wastewater Operator Prep? Yes, Wastewater Operator Prep provides detailed progress tracking. You can monitor your pass probability, accuracy by topic, consistency streaks, and view an exam countdown. ### What study methods are available in Wastewater Operator Prep? The app offers various study methods including a Daily Plan, Quick 10 review, Timed Mode for exam simulation, Smart Review using spaced repetition, a Full-Length Mock Exam, a Missed Questions queue, and Custom Quizzes. ### How often is Wastewater Operator Prep updated? The app was last updated on August 28, 2026, with version 1.0.6. Future updates will likely focus on maintaining question accuracy and potentially adding new content based on exam changes. ### What devices is Wastewater Operator Prep available on? Wastewater Operator Prep is available on iPhones and iPads, indicated by its support for both devices. ## Version history (last 3 releases) ### 1.0.6 — 2026-08-28 Housekeeping release: we cleaned up the App Store listing so the app is easier to find. The app itself is unchanged. ### 1.0.5 — 2026-08-19 Fixed the app's display name on the Home Screen. ### 1.0 — 2026-07-21 No release notes. ## More apps by Hermes Inteligencia Digital Ltda - [NestGuide: Baby Registry List](https://appshunter.io/ios/app/nestguide-baby-registry-list/id6769864474) - [Hueku: Color Sudoku Puzzle](https://appshunter.io/ios/app/hueku-color-sudoku-puzzle/id6776482970) - [Hush Imposter: Group Game](https://appshunter.io/ios/app/hush-imposter-group-game/id6777459658) - [Water Eject: Dry Speaker](https://appshunter.io/ios/app/water-eject-dry-speaker/id6778054276) - [Lumen - Catholic Daily Prayer](https://appshunter.io/ios/app/lumen-catholic-daily-prayer/id6778149485) - [DMV Permit Test Study: Quiz](https://appshunter.io/ios/app/dmv-permit-test-study-quiz/id6781455190) All apps by Hermes Inteligencia Digital Ltda: https://appshunter.io/developer/1896694873 ## Related topics [pool operator exam prep 2026](https://appshunter.io/ios/topics/pool-operator-exam-prep-2026) · [optrack](https://appshunter.io/ios/topics/optrack) · [wastewater operator exam prep](https://appshunter.io/ios/topics/wastewater-operator-exam-prep) · [operator exam prep](https://appshunter.io/ios/topics/operator-exam-prep) --- *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 2026-09-09.*