Diploma in Water and Waste Water Laboratory Technology
The Diploma in Water and Waste Water Laboratory Technology, offered at the Kenya Water Institute, trains laboratory technologists to test and monitor water quality for safe drinking water and effective wastewater treatment.
The short answer
- What it costs
- Up to Ksh 80,300 a year at a public institution, Ksh 160,600 to Ksh 240,900 for the whole course.The detail
- Who can get in
- A KCSE mean grade of C- or above. There is another way in without it.The detail
- How long, and when
- Takes 2-3 years, full-time, with 3 months of attachment. Next intake January 2027, at 3 institutions.The detail
- Where it leads
- 8 careers in the catalogue. The least exposed to AI is Climate Change Analyst, at 10 out of 100.The detail
The programme
What you study, how long it takes, and how it is delivered.
Overview
Students study water chemistry, microbiology of water and wastewater, laboratory testing techniques, water quality standards, and environmental monitoring, building specialised laboratory competence for the water sector. Skills RequiredWater Chemistry TestingWater and Wastewater MicrobiologyLaboratory Quality ControlWater Quality Standards ComplianceEnvironmental MonitoringKey SubjectsWater ChemistryMicrobiology of Water and WastewaterLaboratory Testing TechniquesWater Quality StandardsEnvironmental MonitoringCertificationsKenya National Qualifications Authority (KNQA) RecognitionSpecializationsDrinking Water Quality TestingFocus on testing and certifying safe drinking water supplies. Wastewater Quality MonitoringFocus on monitoring treated wastewater for regulatory compliance.
Ensuring safe drinking water and properly treated wastewater is a national priority, and county water companies and environmental agencies need trained laboratory technologists to monitor compliance.
Training combines classroom water science theory with extensive hands-on laboratory practicals testing water and wastewater samples, plus a supervised industrial attachment.
Graduates work as water quality laboratory technologists for county water companies, NEMA, and environmental testing laboratories, ensuring water meets safety and regulatory standards.
The programme suits students with strong chemistry and biology grades who want a specialised laboratory career supporting Kenya's water quality and public health objectives.
What you study
6 subjects- Water Chemistry
- Microbiology of Water and Wastewater
- Laboratory Testing Techniques
- Water Quality Standards
- Environmental Monitoring
- Research Methods
Modules
10 in the programmeMicrobiology of Water and Wastewater
Year 1Semester 13 creditsCore
Microorganisms relevant to water and wastewater quality for professional practice and competency development in the field.
Water Chemistry
Year 1Semester 13 creditsCore
Chemical properties and testing of water samples, including parameter for professional practice and competency development in the field.
Microbiology of Water
Year 1Semester 13 creditsCore
Water microbiology techniques including disease-causing organisms, infection control, and laboratory diagnostic procedures.
Communication Skills
Year 1Semester 12 creditsCore
Written and oral communication skills for professional workplace communication and effective correspondence.
Information Communication Technology
Year 1Semester 12 creditsCore
Computer applications and digital literacy for professional practice and competency development in the field.
Water Analysis
Year 1Semester 13 creditsCore
Chemical analysis of water including system design, installation, maintenance, and water quality management for infrastructure.
Laboratory Testing Techniques
Year 2Semester 13 creditsCore
Standard laboratory methods for water and wastewater analysis for professional practice and competency development in the field.
Water Quality Standards
Year 2Semester 23 creditsCore
Regulatory standards for drinking water and treated wastewater for professional practice and competency development in the field.
Environmental Monitoring
Year 3Semester 13 creditsCore
Broader environmental monitoring methods relevant to water resources for professional practice and competency development in the field.
Industrial Attachment
Year 3Semester 26 creditsCore
Supervised placement at a water testing laboratory or utility for professional practice and competency development in the field.
Specialisations
Drinking Water Quality Testing
Focus on testing and certifying safe drinking water supplies, with emphasis on practical application in Kenyan industry contexts and compliance with relevant national standards and regulatory requirements.
Wastewater Quality Monitoring
Focus on monitoring treated wastewater for regulatory compliance, with emphasis on practical application in Kenyan industry contexts and compliance with relevant national standards and regulatory requirements.
Effluent Testing
Focus on industrial effluent testing, pollution monitoring, environmental laboratory analysis, and compliance testing within Kenyan environmental regulations.
Field Water Quality Monitoring
Focus on field water sampling, on-site water testing, portable equipment operation, and water quality surveillance within Kenyan water resource monitoring programmes.
A day as a student
Days combine water chemistry and microbiology theory with extensive hands-on laboratory practicals testing water and wastewater samples for quality and safety compliance.
The trade-offs
| In its favour | Against it |
|---|---|
| Specialised, technically distinctive role directly protecting public health. | Only offered at a small number of specialist institutions like KEWI, limiting geographic options. |
| Steady demand from county water companies and environmental regulatory agencies. | Requires strong chemistry and biology grades at entry. |
What it costs
Tuition at both ends of the market, and how to pay for it.
What it costs, and where
Against 243 science coursesAnnual tuition in Kenyan shillings, rounded. The upright tick is the median for this field, so a bar sitting entirely to its right is an expensive programme by the standards of its own subject.
The fine print
KEWI 80,300/yr (kewi.go.ke); KUCCPS 59,600 (educationnewshub). Private unverified.
Students can access HELB loans and county bursaries; KEWI offers need-based scholarships tied to committing to work in the water sector after graduation.
Funding options
HELB TVET/Diploma Loan
Loan
Needy Kenyan students enrolled in accredited diploma programmes.
County Government Bursaries
Bursary
Bursaries for needy students from their respective counties.
Scholarships
2 recordedCounty Government Bursaries
BursaryKsh 20,000Kenyan
Bursaries for needy students from their respective counties.
HELB TVET/Diploma Loan
LoanKsh 60,000Kenyan
Needy Kenyan students enrolled in accredited diploma programmes.
Scholarships you could apply for
1 usable where it is taught- Moringa School Craftbyte Scholarship
QuarterlyFullMoringa School
Full software development course
Getting in
The grades, the alternatives, and who accredits the award.
What you need
A certificate in a related laboratory or water science field from a recognised institution.
When it next starts
Taught at 3 institutionsIncluding Kisumu Polytechnic, Eldoret Polytechnic, Kenya Water Institute.
Including Kisumu Polytechnic, Eldoret Polytechnic.
Including Kisumu Polytechnic, Eldoret Polytechnic, Kenya Water Institute.
How you are assessed
3 componentsContinuous Assessment Tests
Coursework30% of the mark
Tests across water science and laboratory units.
Laboratory Practicals
Coursework20% of the mark
Assessed water and wastewater testing exercises.
Final Examinations
Examination50% of the mark
End-of-semester written examinations.
Accreditation
Kenya National Qualifications Authority
Qualification recognitionRequired
Recognised under Kenya's TVET qualifications framework.
Offered at the Kenya Water Institute (KEWI); examined by KNEC.
Where it leads
The roles it opens, and what you leave with.
Where graduates go
4 rolesWater Quality Laboratory Technologist
Moderate demandKsh 28,000 to Ksh 45,000
Tests water and wastewater samples for a county water company or laboratory.
Environmental Compliance Laboratory Technician
Moderate demandKsh 28,000 to Ksh 44,000
Monitors water quality compliance for an environmental regulatory body.
Environmental Laboratory Technician
Moderate demandKsh 38,000 to Ksh 70,000
Conducts environmental water testing, monitors effluent quality, and ensures compliance with environmental standards for water utilities in Kenya.
Field Water Quality Technician
Moderate demandKsh 35,000 to Ksh 65,000
Conducts field water sampling, on-site testing, and water quality surveillance for water resource monitoring programmes in Kenya.
Graduate outcomes
Graduates work as water quality laboratory technologists for county water companies, NEMA, and environmental testing laboratories.
Where these fields lead
8 careers- Climate Change AnalystEnvironmental Science10Low exposure
- Wildlife Corridors EcologistEnvironmental Science10Low exposure
- Finance AnalystEnvironmental Science11Low exposure
- Mangrove Restoration SpecialistEnvironmental Science12Low exposure
- Mine Reclamation SpecialistEnvironmental Science12Low exposure
- Riparian Restoration EcologistEnvironmental Science12Low exposure
- Urban Forestry SpecialistEnvironmental Science12Low exposure
- Water Treatment OperatorEnvironmental Science12Low exposure
Tools you will learn
Microsoft Office
ProductivityPrimary
Productivity suite for documentation, reports, and presentations.
Microsoft Excel
Productivity
Data analysis, calculations, and project planning.
Certifications
Industry links
Common misconceptions
Water laboratory work is the same as water engineering.
This diploma focuses on chemical and microbiological testing of water samples, distinct from the design and construction focus of water engineering diplomas.
Water testing is a one-time check, not ongoing monitoring.
Water quality requires continuous monitoring, especially for wastewater treatment compliance and drinking water safety.