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Gain knowledge of water treatment processes, disinfection, chlorination, waterborne pathogens and treatment plant operations.
4.68
( 4 Reviews )
$375
40% offLifetime Access*
Guided Learning Hours (100)
Number of Modules 12

Earn a career credential that demonstrates your expertise
Earn a career credential that demonstrates your expertise through structured modules covering the core skills and knowledge for this qualification.Guided learning hours
Guided learning hours are the recommended time for completing this course, including study materials, assessments, and tutor-supported learning.The Diploma in Water Treatment at QLS Level 4 is an online course designed to develop in-depth knowledge of water treatment processes, disinfection and wastewater treatment. The course is endorsed by the Quality Licence Scheme (QLS) and its learning outcomes are benchmarked at Level 4 against QLS level descriptors. It is a non-regulated course and is not an Ofqual-regulated qualification.
The Level 4 Diploma in Water Treatment covers essential areas of water treatment, including waterborne pathogens, bacteriological monitoring, chlorination, disinfection rules, chlorination byproducts, sodium hypochlorite, calcium hypochlorite, oxidising agents, water disinfection methods and ozone. Learners also develop knowledge of water treatment works, equipment maintenance, wastewater treatment, and the policies and procedures relevant to water treatment operations.
The Water Treatment Diploma is designed for wastewater personnel, water treatment operators, professionals working in chlorination-related roles, environmental scientists and individuals who want to develop knowledge of water treatment works. The course provides structured learning that helps learners build knowledge of water treatment processes and understand how specific processes are controlled and operated within relevant policies and procedures.
The QLS Level 4 Water Treatment Course provides a focused foundation for further learning in water treatment, environmental studies and related areas. The course also supports learners in developing specialist knowledge relevant to water treatment operations and workplace responsibilities. Successful completion leads to the Diploma in Water Treatment at QLS Level 4, issued under the Quality Licence Scheme. The course provides lifetime online access, allowing you to study flexibly at your own pace.
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Course Highlights
QLS-endorsed Level 4 non-regulated course
Online study with lifetime access
Designed for water treatment professionals and learners
Assignments with instructor feedback and assessment
What Sets This Course Apart?
Here's why this course stands out — flexible learning, dedicated support, and valuable extras included with your studies.
Why Study With Global Edulink?
Global Edulink provides flexible online learning with qualified instructors, structured materials and learner support.
Study at your own pace with flexible online learning
Enjoy lifetime access to the learning platform
Study from anywhere with unlimited access
Learn from materials created by experienced industry instructors
Repeat and rewind lectures whenever needed
Access learner support throughout your studies
Learning Outcomes
Understand waterborne pathogens, chlorination and disinfection processes
Apply knowledge of water disinfection methods and oxidising agents
Operate specific water treatment processes within relevant policies and procedures
Develop skills for maintaining water treatment works and equipment
Course Resources
Self-paced online learning with course materials
Qualified instructor support
Narrated e-learning modules and tutorials
Access to structured course learning content
Entry Requirements
Basic knowledge of Maths, English and ICT
Suitable for learners with an interest in water treatment and related subjects
Need Extra Support?
Get personalised guidance and ongoing support by reaching out to your course adviser.
Skills Gained
This course develops practical knowledge and skills for working in water treatment environments.
Understand water treatment processes and procedures
Develop knowledge of chlorination and disinfection methods
Understand waterborne pathogens and bacteriological monitoring
Learn about treatment equipment maintenance and operation
Course Curriculum
12 Modules
12 Lectures
100 Guided Learning Hours
QLS
The Quality Licence Scheme (QLS) provides independent recognition for high-quality, non-regulated courses and training programmes. Through its endorsement process, it reviews course content and quality standards, helping learners and employers identify programmes that have been independently assessed for quality and value.

Course Advantages
Learners can gain flexible study and structured learning with a QLS-endorsed course.
Study flexibly with lifetime online access
Learn through structured modules and practical assignments
Gain QLS-endorsed, non-regulated course certification
Build knowledge relevant to water treatment operations
Need more information
Reach out to your course adviser for valuable insights and professional support.
Method of Assessment
The course is assessed through centre-devised, assignment-based assessments designed to evaluate learners’ knowledge and understanding of water treatment processes and practices.
Assessment Format
Two compulsory assignments submitted through the online portal
Instructor reviews assignments and provides feedback
Optional 20-question multiple-choice examination
30-minute online exam with automatic assessment
Certification
Upon successful completion of the required centre-devised, assignment-based assessments, learners will receive the Diploma in Water Treatment at QLS Level 4. This QLS-endorsed certification recognises the learner’s completion of the course and their knowledge of key water treatment processes and practices.
Career Progression
Completion can support career development in water treatment, environmental and water-quality related roles.
Water Resources Operator
$38,100 Approx./pa
Environmental Scientist
$34,290 Approx./pa
Water Treatment Operator
$29,210 Approx./pa
Academic Progression
Successful completion may support further study or Recognition of Prior Learning in water treatment and related subjects.
Explore further study in water treatment or related subjects
Use the Learner Unit Summary towards Recognition of Prior Learning
Seek advice on further or higher education routes
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Frequently Asked Questions (FAQs)