Disaster unfolds on floodplain

Guards hired by DDA reveal rampant illegal activities

HOW IT AFFECTS THE RIVER SAND MINING

Sand mining disturbs the river’s hydrological balance

Mining affects the river’s capability to recharge water during the monsoon Mining kills the microbes which help purify the river water

DEBRIS DUMPING

Debris prevents the water from percolating into the ground, hitting the river’s ability to recharge groundwater

This also plays havoc with ■ the biodiversity of the floodplains. Dumping may also lead to flood in the neighbouring areas

GROUNDWATER EXTRACTION

Unregulated extraction ■ of groundwater may destroy the pristine aquifer of the city

It may lead to leaching

■ of polluted water from the river or underlying saline water spoiling the aquifer