UNIT I : WATER SUPPLY 

Estimation of surface and subsurface water resources – Predicting demand for water- Impurities of
water and their significance – Physical, chemical and bacteriological analysis -Waterborne diseases
– Standards for potable water. Intake of water: Pumping and gravity schemes.

UNIT II : WATER TREATMENT 

Objectives – Unit operations and processes – Principles, functions, and design of water treatment
plant units, aerators of flash mixers, Coagulation and flocculation – Clarifloccuator – Plate and tube
settlers – Pulsator clarifier – sand filters – Disinfection – softening, removal of iron and manganese –
Defluoridation – Softening – Desalination process – Residue Management – Construction, Operation
and Maintenance aspects

UNIT III : WATER STORAGE AND DISTRIBUTION

Storage and balancing reservoirs – types, location and capacity. Distribution system: layout,
hydraulics of pipe lines, pipe fittings, valves including check and pressure reducing valves, meters,
analysis of distribution systems, leak detection, maintenance of distribution systems, pumping
stations and their operations – House service connections.

UNIT IV : PLANNING AND DESIGN OF SEWERAGE SYSTEM  

Characteristics and composition of sewage – Population equivalent – Sanitary sewage flow
estimation – Sewer materials – Hydraulics of flow in sanitary sewers – Sewer design – Storm drainage-
Storm runoff estimation – Sewer appurtenances – Corrosion in sewers – Prevention and control –
Sewage pumping-drainage in buildings – Plumbing systems for drainage

UNIT V :  SEWAGE TREATMENT AND DISPOSAL 

Objectives – Selection of Treatment Methods – Principles, Functions, – Activated Sludge Process
and Extended aeration systems – Trickling filters – Sequencing Batch Reactor(SBR) – UASB -Waste
Stabilization Ponds – Other treatment methods – Reclamation and Reuse of sewage – Recent
Advances in Sewage Treatment – Construction, Operation and Maintenance aspects. – Discharge
standards-sludge treatment -Disposal of sludge