KWA OVERSEER GR.III CORE TOPICS TO MASTER IN WATER SUPPLY, SANITATION AND ENVIRONMENTAL ENGINEERING!!!

KWA OVERSEER GR.III: CORE TOPICS TO MASTER IN WATER SUPPLY, SANITATION AND ENVIRONMENTAL ENGINEERING!!!

Preparing for the Kerala Water Authority (KWA) Overseer Grade III (Category No. 20/2025), exams? One of the most crucial sections you must master is Water Supply, Sanitation and Environmental Engineering– which forms a major chunk of the technical syllabus and is crucial for both scoring well and building a strong foundation for your future role.

Let us break down the core topics, streamlining your preparation , focusing on High Priority areas.

Water Supply

The area deals with the sourcing, purification and distribution of safe drinking water. Key Topics

1. Sources of Water – Surface and ground water, Characteristics and suitability
2. Intake Structures – River intake, Canal intake, Reservoir intake.
3. Water Demand Calculation – Types of demand, population forecasting
4. Treatment of Water – Sedimentation, coagulation, filteration ,disinfection methods, softening and aeration.
5. Distribution Systems : Methods, Types of Layout and Component

    

    

   

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Sanitary Engineering

Sanitary Engineering involves collection, treatment and disposal of sewage and solid waste.

Key Topics

1. Sewerage System: Tpyes- Combined, Separate, Partially separate
2. Sewer Appurtenances: Manhole, catch basins, traps
3. Sewage Characteristics: Physical, Chemical, Biological
4. Sewage Treatment Processes: Primary, Secondary and Tertiary Treatments, Trickling filters, activated sludge process, oxidation ponds, septic tanks, upflow anaerobic filters.
5. Sludge Disposal: Digestion, dewatering, drying beds.
6. Plumbing and Drainage in Buildings

Environmental Engineering

The subject bridges engineering with ecology, covering pollution control, sustainability and waste management.

1. Environmental Pollution: Water, Air, Soil, Noise pollution-Causes and Control measures
2. Solid Waste Management: Collection, Transportation, Disposal methods, Composting, incineration, landfills.
3. Public Health Aspects: Water-borne diseases, Standards for potable water
4. Air Quality Management
5. Rainwater Harvesting and Groundwater Recharge

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