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A body of water is considered to have good “water quality” if it may be utilised for a variety of purposes as determined by its physical, chemical, biological, and organoleptic (taste-related) qualities. Because of the significant effects it has on human health and wellbeing, economic productivity, and environmental sustainability, understanding and monitoring water quality is of the highest significance. The standards for the enforcement of water quality are defined by regulations like the regulatory bodies like EPA, with local governments all over the globe often acting as the primary enforcers of these requirements.

The Testing Kit Is Essential

Either at-home water inspection kits or procedures established in laboratories may be used to determine the quality of water. Time-consuming, multi-factor laboratory testing may provide the most accurate findings, but it also takes the longest. Rapid results are possible with home test kits, which often include test strips, although accuracy rates are lower.

Online access to publicly accessible water quality information is often provided by water providers like municipalities and bottled water businesses. The water quality criteria utilised in the tests must adhere to the guidelines established by the relevant authorities in each jurisdiction. These standards are frequently influenced by worldwide organisations that oversee industry or water quality, including the World Health Organisation (WHO).

How precisely may “water quality” be defined?

According to the United States Geological Survey (USGS), “water quality” is “a measure of the suitability of water for a particular use based on selected physical, chemical, and biological characteristics”. As a result, it serves as a measurement of how effectively the water satisfies the demands of different land and aquatic animals as well as those of people.

About the Water Quality

Three kinds of water quality measurements are possible. This organises the qualities’ physicochemical, biological/microbiological, and chemical characteristics.

The physical characteristics of water include its look, feel, taste, and smell. These qualities may be evaluated using human senses. The water’s temperature, colour, taste, scent, turbidity, and concentration of dissolved particles are a few of these qualities.

What the Water Analysis Offers

Chemical water quality tests assess traits that are representative of the environment around the water. These chemical parameters can be used to determine the levels of dissolved oxygen, biochemical oxygen demand (BOD), chemical oxygen demand (COD), chloride, chlorine residual, sulphate, nitrogen, fluoride, iron and copper, manganese, and zinc, as well as radioactive and toxic organic and inorganic substances.

The total quantity of living things in a body of water, including algae, bacteria, viruses, and protozoa, is known as the “biological parameter,” and it may be measured using a set of procedures called “biological measurements.”

Water quality is affected by both human activity and natural processes. The quality of the water might be impacted by a number of the following elements.


Water quality tests may be done at home or at a lab, depending on the circumstances and laws in your area. Laboratory evaluations of the quality of the water are based on the instrumental and chemical examination of field-collected water samples. These samples’ physical, chemical, and biological traits may be examined in laboratories, with the findings giving precise information. Testing for water quality in a lab is an expensive and time-consuming operation.