What can be the reason for water leakage?

Answer: Water leakage can occur due to different reasons, including:

Corrosion in water heaters
Blocks in toilets and drains
Electrolysis and eroding of water pipes
Pipes out of alignment due to tree roots
Excessive stress on water pipes, connectors, appliances, joints, and taps
No installation of pressure reducing valves
Unchecked water hammer causing connectors and joints to break