Water pollution is the contamination of water bodies like lakes, rivers, oceans, aquifers and groundwater. Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds.
Causes
Water pollution is mainly caused by the following:
Disposal of untreated municipal liquid waste
Leaking of sewage lines
Industrial waste water
Effects
Water pollution affects adversely in the following ways:
Drinking water contamination
Pollution of water bodies e.g. rivers, canals, drains
Sub-soil water pollution
Loss of aquatic life
Crop damages
Heavy metals in food chain
Increased rate of waterborne diseases
Remedies
Remedies to control water pollution are listed below:
Treatment plants for municipal and industrial effluents before disposal to water bodies
Adequate collection, recycling and disposal
Application of “Clean Technology” at the industrial units
Segregate sewage lines to avoid mixing with drinking water supply
Filter plants for clean drinking water
How to Conserve Water
Conservation of water must be focused to avoid water scarcity in future. Few useful tips in this regard are stated under:
Don’t pour water down the drain, instead use it to water your plants or garden
Fix dripping faucets, one drop per second wastes 2700 gallons of water per year
Take shorter showers and turn off the water while you lather up
Turn off the water while brushing your teeth or washing your face