Free Online Course
Introduction to Water Treatment Operations
Follow water from its source to the point where it is ready to serve a community, and meet the people, equipment, tests and safety habits that make that possible.
Start the Course- Time
- About 70 minutes
- Certificate
- 1.0 hour of completion
- Credit
- Not yet approved for continuing education credit
- Price
- Free
- Format
- 72 narrated pages, checks and a final
- Built by
- A working wastewater operator (Washington Group III)
Who It's For
New and future operators, and anyone who wants a clear introduction to the work. No experience needed.
What You'll Learn
- Describe what a water treatment operator does and why the work matters.
- Explain where drinking water comes from and how source water can change.
- Follow water through intake, coagulation, flocculation, sedimentation, filtration and disinfection.
- Recognize common plant equipment such as pumps, valves, chemical feed, analyzers and SCADA.
- Explain the basic water quality checks and how operators use trends, alarms and controlled changes.
- Describe core safety habits, records and how people enter the field.
What's Inside
The Work 8 pages
- Welcome
- Why It Matters
- The Operator
- Around the Clock
- Public Trust
- The WPI View
- Career Fit
- Checkpoint
Source Water 8 pages
- Water Sources
- Watersheds
- Surface Water
- Groundwater
- Well Levels
- Source Changes
- Source Protection
- Source Check
Treatment Steps 16 pages
- Plant Flow
- Intake
- Pretreatment
- Coagulation
- Flocculation
- Sedimentation
- Clarifiers
- Filtration
- Filter Runs
- Backwashing
- Membranes
- Disinfection
- Byproducts
- Other Treatment
- Residuals
- Process Check
Equipment 10 pages
- Pumps
- Valves
- Mixers
- Chemical Feed
- Filter Parts
- Analyzers
- SCADA
- Maintenance
- Backup Systems
- Equipment Check
Water Quality 8 pages
- Good Samples
- Turbidity
- Disinfectant
- pH and Alkalinity
- Minerals
- Microbes
- Quality Control
- Data Check
Process Control 8 pages
- Normal Conditions
- Water Demand
- Chemical Dose
- Filter Data
- Alarms
- Trends
- Controlled Changes
- Control Check
Safety and Records 8 pages
- Safety Culture
- Chemical Safety
- Chlorine Safety
- Energy Control
- Confined Spaces
- Compliance
- Security
- Safety Check
Entering the Field 6 pages
- Entry Paths
- Certification
- Learn the Plant
- Study Habits
- Your First Year
- The Mission
Sample Page
Why It Matters
People expect water at a tap for cooking, washing, and drinking. Schools, care facilities, restaurants, and businesses depend on it. Fire protection also depends on an available supply. A water-treatment operator helps protect that supply before it reaches the public. The work has a quiet side: checking a pump, collecting a sample, watching a filter, or writing down a change. Those small actions help prevent larger problems. The operator does not promise that water is safe because it looks clear. Safety and compliance are shown through the plant's approved treatment process and monitoring program. A community may not see what happens inside a plant, but it depends on the people who operate it every hour.
What to remember: Reliable treated water supports ordinary life and emergency services.
Questions
Does This Course Count Toward My Renewal?
Not yet. A course counts toward your continuing education credit only after your state approves it, and this one is not approved yet. This page will say which states approve it once they do.
Do I Need an Account?
Yes, to take the course. Signing in lets us record your time and issue your certificate. This page, the topic pages and the practice questions need no account.
Can I Skip Ahead?
No. Each page has a minimum time before the next one opens, and your time is recorded.
What Do I Get When I Finish?
A certificate of completion from Operator Master for 1.0 hour, once you pass the final with 80% or better. Your operator certificate or license always comes from your state, not from Operator Master.