CABWI Awarding Body · RQF Level 3
CABWI Level 3 Diploma in Water Treatment
You don’t just earn this. You learn to use it, one-to-one, on your own real work.
- LevelRQF Level 3
- Total credits55
- Guided learning348 hours
- Units in this qualification16
Awarded by CABWI Awarding Body · on the Ofqual register
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See how this course maps onto your role
Ten quick questions, one per Future Fluency, asked against this qualification rather than a generic one.
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What you’ll learn
What each unit actually teaches you to do
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These are the units CABWI Awarding Body registers against this qualification. It is a catalogue, not a syllabus. Which of them you take depends on the combination the qualification requires, and that is set by the awarding body rather than by us. Every unit here is regulated, and every one you earn is yours to keep.
Disinfection and Final Water QualityReal unit · CABWI Awarding Body
What you'll be able to do
- Understand disinfection processes
- Undertake disinfection processes
- Understand final water quality
- Condition water for distribution
- Understand treated water storage
- Manage treated water storage
Water Treatment - Sludge Treatment and DisposalReal unit · CABWI Awarding Body
What you'll be able to do
- Understand the principles of sludge treatment processes.
- Understand the operations of sludge treatment processes.
- Understand the applications of sludge treatment processes.
- Understand the principles for sludge disposal.
- Understand the processes for sludge disposal.
- Understand the constraints for sludge disposal.
- Undertake sludge treatment processes.
- Undertake sludge disposal processing.
Water Treatment - Sludge Treatment and Disposal (Knowledge Only)Real unit · CABWI Awarding Body
What you'll be able to do
- Understand the principles of sludge treatment processes
- Understand the operations of sludge treatment processes
- Understand the applications of sludge treatment processes
- Understand the principles for sludge disposal
- Understand the processes for sludge disposal
- Understand the constraints for sludge disposal
Water Treatment OperationsReal unit · CABWI Awarding Body
What you'll be able to do
- Understand water treatment processes and their application
- Undertake water treatment processes
- Understand the delivery of chemicals in water treatment
- Understand the storage of chemicals in water treatment
- Understand the monitoring of chemicals in water treatment
- Understand the use of chemicals in water treatment
- Undertake delivery of chemicals in water treatment
- Undertake storage of chemicals in water treatment
- Undertake monitoring of chemicals in water treatment
- Undertake use of chemicals in water treatment
- Understand how to analyse an operational problem
- Understand how to evaluate an operational problem
- Understand how to select a solution to an operational problem
- Undertake analysis of an operational problem
- Understand techniques for optimisation
- Undertake optimisation techniques
- Understand water treatment process monitoring
- Understand water treatment process control
- Understand appropriate corrective actions for water treatment processes
- Manage water treatment process monitoring
- Manage water treatment process control
- Manage appropriate corrective actions for water treatment processes
Water Treatment and Networks – Regulation and ComplianceReal unit · CABWI Awarding Body
What you'll be able to do
- Understand the UK water supply regulatory framework
- Understand regulatory performance measures
- Understand how regulation impacts the operational activities within a water company
- Understand the hygiene regulations and requirements governing water operations
- Understand the health and safety regulations
Water Treatment and Networks – Science and Applied MathematicsReal unit · CABWI Awarding Body
What you'll be able to do
- Understand mathematical techniques commonly used in water supply and treatment
- Understand the chemical characteristics of water
- Understand the physical characteristics of water
- Understand the microbiological characteristics of water
- Understand the environmental impact of the water industry
Water Treatment – Asset ManagementReal unit · CABWI Awarding Body
What you'll be able to do
- Understand the principles of Asset Lifecycles
- Understand the principles of Asset Management Systems
- Understand how water industry assets are financed
- Understand how water treatment asset performance is maintained
Water Treatment – Coagulation, Flocculation and ClarificationReal unit · CABWI Awarding Body
What you'll be able to do
- Understand the coagulation process
- Understand the flocculation process
- Undertake coagulation process activities
- Undertake flocculation process activities
- Understand the clarification process
- Understand the sedimentation process
- Undertake clarification processes
Water Treatment – Coagulation, Flocculation and Clarification (Knowledge only)Real unit · CABWI Awarding Body
What you'll be able to do
- Understand the principles of coagulation processes
- Understand the principles of flocculation processes
- Understand the clarification and sedimentation process
Water Treatment – FiltrationReal unit · CABWI Awarding Body
What you'll be able to do
- Understand the principles of filtration processes.
- Understand the operations of filtration processes.
- Understand the applications of filtration processes.
- Undertake filtration processes.
Water Treatment – Filtration (Knowledge Only)Real unit · CABWI Awarding Body
What you'll be able to do
- Understand the principles of filtration processes.
- Understand the operations of filtration processes.
- Understand the applications of filtration processes.
Water Treatment – Management, Operation and Control of Water AssetsReal unit · CABWI Awarding Body
What you'll be able to do
- Understand the materials used in the water treatment industry.
- Understand the equipment used in the water treatment industry.
- Understand the use of different types of pumps used in the water industry.
- Understand the characteristics of different types of pumps used in the water industry.
- Understand the safe use of power supply.
- Understand the safe use of power distribution.
- Understand the commissioning of new plant.
- Understand the commissioning of new equipment.
- Understand how to diagnose faults.
- Understand how to identify corrective actions.
- Use materials in the water industry.
- Use equipment in the water industry.
- Use different types of pumps common in the water industry.
- Use power supply safely.
- Use power distribution safely.
- Use a commissioning plan.
- Diagnose faults.
- Identify corrective actions.
Water Treatment – Other Treatment Processes (Specialist and Advanced)Real unit · CABWI Awarding Body
What you'll be able to do
- Understand the principles, operations and applications of oxidation as a specialised water treatment process.
- Understand the principles, operations and applications of arsenic adsorption as a specialised water treatment process.
- Understand the principles, operations and applications of nitrate control as a specialised water treatment process.
- Understand the principles, operations and applications of taste and odour control as a specialised water treatment process.
- Understand the principles, operations and applications of plumbosolvency control as a specialised water treatment process.
- Understand the principles, operations and applications of Granular Activated Carbon (GAC) adsorption as a specialised water treatment process.
Water Treatment – Water Resources and Catchments (Ground Water)Real unit · CABWI Awarding Body
What you'll be able to do
- Understand the relevant legislation regarding reservoirs and water retaining structures.
- Understand the design features of dams and water retaining structures.
- Understand the construction features of dams and water retaining structures.
- Understand the principles of water abstraction from various sources.
- Understand the operations of water abstraction from various sources.
- Understand the principles of reservoir management.
- Understand the operations of reservoir management.
- Understand the principles of inlet screens, band screens and microstrainers.
- Understand the operations of inlet screens, band screens and microstrainers.
- Understand the applications of inlet screens, band screens and microstrainers.
- Undertake water abstraction operations in ground water environments.
- Undertake reservoir management operations in ground water environments.
- Undertake screening operations in ground water environments.
Water Treatment – Water Resources and Catchments (River Abstraction)Real unit · CABWI Awarding Body
What you'll be able to do
- Understand legislation relating to reservoirs and water retaining structures
- Understand the design features of dams
- Understand the design features of water retaining structures
- Understand the construction features of dams
- Understand the construction features of water retaining structures
- Understand the principles of water abstraction from various sources
- Understand the operations of water abstraction from various sources
- Understand the principles of reservoir management
- Understand the operations of reservoir management
- Understand the principles of inlet screens
- Understand the operations of inlet screens
- Understand the applications of inlet screens
- Understand the principles of band screens
- Understand the operations of band screens
- Understand the applications of band screens
- Understand the principles of microstrainers
- Understand the operations of microstrainers
- Understand the applications of microstrainers
- Undertake water abstraction operations for surface water
- Undertake reservoir management operations for surface water
- Undertake screening operations for surface water
Water Treatment – Water Resources and Catchments (Surface Water)Real unit · CABWI Awarding Body
What you'll be able to do
- Understand legislation relating to reservoirs and water retaining structures
- Understand the design features of dams
- Understand the design features of water retaining structures
- Understand the construction features of dams
- Understand the construction features of water retaining structures
- Understand the principles of water abstraction from various sources
- Understand the operations of water abstraction from various sources
- Understand the principles of reservoir management
- Understand the operations of reservoir management
- Understand the principles of inlet screens
- Understand the operations of inlet screens
- Understand the applications of inlet screens
- Understand the principles of band screens
- Understand the operations of band screens
- Understand the applications of band screens
- Understand the principles of microstrainers
- Understand the operations of microstrainers
- Understand the applications of microstrainers
- Undertake water abstraction operations for surface water
- Undertake reservoir management operations for surface water
- Undertake screening operations for surface water
The honest bit
You’ve started things before
Most courses were built for a room full of people who aren’t you. A cohort moves on whether or not your week allowed it, and by the third week the thing you’re behind on becomes the reason you stop opening it.
There’s no cohort here, and no timetable to fall behind. Before anything starts, Zavmo asks when you’re sharpest and how long you can realistically sit down for, then builds the sessions around those answers. A bad fortnight changes your pace. It doesn’t put you behind.
And you only pay once you start learning. Searching and planning are free, and you can cancel any time — so the cost of finding out is an afternoon, not a year.
Your passport
Every credit is a stamp you keep
Level 3 credits are regulated. They don’t vanish when a subscription ends or a website closes. They travel to any employer, and Zavmo keeps the map of what you’ve earned and what’s next.
Each stamp is a real unit registered against this qualification.
Who’d teach you this
The Evidence Evaluator
Assessor
Helps you show what you can actually do, gathering the evidence that proves it as you learn.
Meet all twelve tutorsWhere this connects
Where these credits take you
A qualification is never a dead end here. See the jobs its credits open, the national occupational standards its units map to, and the future skills they quietly build.
- Carry out process water treatment in the spirits industry
- Develop, implement and monitor strategic plans to minimise risk from contamination and other non-compliance situations
- Disinfect Water Mains
- Evaluate Water Treatment for Steam Generation Systems
- Evaluate water treatment for process water systems
- Operate and monitor a water demineralisation process
- Service Water Treatment Equipment
- Standardise Practice in Water Fittings Inspections and Non-Compliance
Where this can lead
Senior Global Water Management Specialist
This Senior Global Water Management Specialist role is a critical stepping stone in a rewarding career dedicated to environmental protection and business resilience. You'll be challenged, you'll learn a lot, and you'll make a real difference. If you're ready to lead, mentor, and tackle some of our most important environmental challenges, we'd love to hear from you.
See the whole journey →Showing 4 roles, drawn from 7 job records mapped to this qualification.
Skills it covers
What the job actually needs. These are the standards the units are built against, in the words employers and awarding bodies already use for the work itself.
How you’ll actually learn this
One-to-one, on your own real work
A qualification is usually something done to you: sit the class, sit the exam, hope it sticks. Here it’s the opposite. You learn it one-to-one with a companion, on your own real work, and you keep going until you can use it, not just recall it.
Applied to your work in any of these jobs
Learners will gain knowledge of disinfection methods and processes to ensure final water quality. The unit includes conditioning, storage, and management of treated water, alongside monitoring and adjusting disinfection procedures.
- Remember
- Understand
- Apply
- Analyse
- Evaluate
- Create
Built for CABWI Level 3 Diploma in Water Treatment
16 units in this credential, in the order it lists them, awarded by CABWI Awarding Body.
- Disinfection and Final Water Quality
- Water Treatment - Sludge Treatment and Disposal
- Water Treatment - Sludge Treatment and Disposal (Knowledge Only)
- Water Treatment Operations
- Water Treatment and Networks – Regulation and Compliance
- Water Treatment and Networks – Science and Applied Mathematics
and 10 more in the full unit list below.
One to one, not one to many
No two people run this the same way
A course is written once and handed to everyone. This is assembled around you, and keeps changing as it learns you. Five things it reads, and what each one changes.
- Your actual work Every unit is taught against a live piece of your own work, not a worked example from a textbook.
- What you already know The first conversation finds your starting point, so you skip what you can already do and spend the time on what you cannot.
- The conditions you learn under Not a learning-styles quiz. The evidence does not support those. The dimensions the research does back, read once and used to shape the plan.
- How far you got last time It picks up mid-thought. The tutor knows what you said, what you struggled with, and what it asked you to try.
- Which tutor suits the moment Twelve of them, each for a different kind of thinking. The one who walks you through a first idea is not the one who stress-tests it.
See how you learn, free. Eight questions, no sign-up. A directional taster; the diagnostic inside Zavmo goes deeper and keeps adapting.
Why it sticks
Most courses stop at remembering
There’s a well-known ladder of how deeply you learn something, called Bloom’s Taxonomy. Most courses get you up the first two rungs: you remember some facts, you pass a test, you forget it. Real skill lives at the top. Judging, deciding, creating. And this isn’t a generic ladder: every rung has a named Zavmo tutor who walks you up it.
- 6CreateThe Creative Catalyst
- 5EvaluateThe Evidence Evaluator
- 4AnalyseThe Analyst
- 3ApplyThe Coach
- 2UnderstandThe Connector
- 1RememberThe Builder
Where most courses leave you Where Zavmo takes you
The value
Why the companion is worth £70 a month
You’re not paying for the units. They’re regulated, and the same wherever you earn them. You’re paying for the one thing that decides whether you actually get there: a companion that makes them stick, on your real work.
That is one-to-one on this qualification, every day, on the work you already do, for £70 a month. Your first module is free, so you can see the teaching before you pay for any of it. Billed monthly, cancel any time and billing stops.
Earned on your own work, taught to the top.
Everything you just read, learned one-to-one on the job you already do. Your first module is free, so you can see the teaching before you pay for any of it.
Build my plan, freeNo card. See how this qualification maps onto your role and meet the tutors who’d teach it, free. The learning begins when you subscribe. It’s £70 a month, billed monthly. Cancel any time and billing stops.