Water pollution is the contamination of our water supply in lakes, rivers, groundwater and surface water. This contamination may arise from time to time due to direct or indirect usage of industrial or commercial space without proper removal of hazardous chemicals.
Surface water includes rivers and lakes and groundwater applies to water seeping into the ground and found underground. Chemical pollution occurs when farmers use chemicals to control insects, pests and weeds and pesticides end up in the water supply. Factories may use metals and solvents that can also end up in the water. To clean a site previously used for industrial purposes, consider Soil Remediation Services at a site like https://soilfix.co.uk/services/groundwater-soil-remediation-services
As you can imagine pollutants in the water have a harmful effect on ecosystems that sustain life and will most likely go into the food chain and be consumed by animals and humans.
There are also some natural forms of pollution affecting our water and these include a process called oxygen depletion pollution. Micro-organisms that live in the water can be aerobic or anaerobic. When too many biodegradable substances occur in the water, the more it encourages the growth of microorganisms that in turn use more oxygen from the water. Aerobic organisms die and anaerobic reactions increase causing harmful toxins to be released, including ammonia and sulfides.
Some pollutants, such as chemicals and particles, insoluble in water and can lie suspended in the water. They then settled and this can be very dangerous and even deadly for organisms that live under the water body.