Tag: water as nutrient

Manholes are typically placed at intervals of 50 to 60 meters in a sewerage system to allow for inspection, cleaning, and maintenance access.

• Drinking water, also known as potable water, is water that is safe to drink or to use for food preparation.
• The amount of drinking water required to maintain good health varies, and depends on physical activity level, age, health-related issues, and environmental conditions.
• Domestic and municipal supplies of water constitute 1.1%  percentage of total water consumption.
  
• So,the correct answer is '1.1%'.

Chlorine is the most common chemical used to disinfect wastewater and 'freshen' it by killing pathogenic microorganisms.

Sewerage is the infrastructure that conveys sewage from many sewer pipelines. Drainage is an artificial passageway that carries the waste water from the houses. Sewer pipelines are artificial passageway used to carry the sewage and water water from the drainage system. It then carries the waste water to the municipal sewage system or sewerage.   

Potable water is a water which is fit for consumption by humans and other animals. It is also called as drinking water, in a reference to its intended use. Water may be naturally potable, as is the case with pristine springs, or it may need to be treated in order to be safe. In either instance, the safety of water is assessed with tests which look for potentially harmful contaminants.

Maximum use of fresh water is in agriculture. About 70% of the total fresh water is used in agriculture. About 20% is used for industrial purpose. About 10% of the fresh water is used for domestic and municipal use.