Answer :
Water quality is influenced by four elements of water chemistry: calcium hardness, pH balance, total alkalinity, and sanitizer. The term "water quality" refers to the state of the water, including its chemical, physical, and biological qualities, typically in relation to how suitable it is for a given activity, such drinking or swimming.
Certain toxins in our water might cause health concerns, such as neurological diseases, reproductive troubles, and gastrointestinal illnesses. People with low immune systems, infants, young children, pregnant women, the elderly, and pregnant women may be particularly susceptible to sickness. A measure of the acceptability of water for a specific application based on chosen physical, chemical, and biological qualities is known as water quality. One of the most crucial indicators of the water quality in streams, rivers, and lakes is dissolved oxygen, or DO. It is an important indicator of water pollution [10]. The greater the water quality, the higher the dissolved oxygen concentration. Oxygen is particularly temperature-sensitive and only mildly soluble in water. Numerous elements, including precipitation, climate, soil type, vegetation, geology, flow conditions, ground water, and human activities, have an impact on water quality. The point sources from businesses and municipalities pose the most risk to the quality of the water. The main causes of water pollution are bacteria, viruses, parasites, insecticides, pharmaceuticals, plastics, feces, radioactive materials, fertilizers, and pesticides. These compounds are frequently invisible contaminants since they do not always alter the colour of the water.
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