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Where Does Your Water Come From?

You will be amazed to know that there has been no change in the amount of water on earth since day one. The water just goes through different cycles. In other words, it goes up and turns into clouds. And then it comes down in the form of rain.

In this article, you will know about the cycle of water and the major sources of fresh water on this planet, and the way the water has an impact on the drinking water quality. This will give you a better understanding of how you can purify your drinking water.

What Is The Water Cycle?

First of all, the water cycle is beautiful and fascinating. It is also called the hydrological cycle. As a matter of fact, life on earth is all because of the water cycle. It is the source of life, hydration, and energy on this planet.

Several natural processes clean and recycle water, which is known as the water cycle. In school, you may have read about this cycle. Let's take a look at this process once again.

Given below is the description of different stages of the water cycle:

  1. Precipitation

  2. Infiltration

  3. Evaporation

  4. Condensation

1. Precipitation

First of all, water comes down on this planet in the form of snow, sleet, or rain. This is the condensed form of water that is found in the atmosphere in the form of clouds.

2. Infiltration

During the infiltration stage, the rainwater becomes part of the soil and forms canals of water underground, which is known as groundwater. Alternatively, it may create streams, oceans, and rivers.

3. Evaporation

Evaporation happens when the sun's rays heat the water bodies on earth. Evaporated water creates clouds that cover 60% of Earth at all times. Besides, plants also evaporate a lot of water, which is called transpiration.

4. Condensation

Evaporated water goes up in the atmosphere and goes through a process of condensation. Eventually, this stage creates clouds in the sky. Basically, when little drops of water get together, they create clouds.

During this stage, water becomes free of different types of impurities. As a matter of fact, this type of water is as purified as distilled water.

Primary Sources Of Water On Earth

Rainwater comes down on earth through the water cycle. And then we collect this water in water reservoirs for domestic and business consumption. You may want to understand the primary sources of freshwater as they can have an impact on the quality of water and the type of impurities it may contain.

If your tap water comes from a source of water that is located close to a polluted area, know that your tap water may contain tons of impurities. On the other hand, if the source of water is close to a clean area, you will have cleaner water to drink. Since water is a universal solvent, it can dissolve almost everything under the sun.

Without further ado, let's know more about some primary sources of freshwater.

  • Groundwater: This type of water is filtered through soil and rocks.

  • Surface water: You can find this type of water in oceans, lakes, streams, and rivers.


Groundwater refers to the type of water that is found underground, such as underground springs and deep wells. In most cases, precipitation is the water cycle that is added to the underground water. Based on the type of soil, area type, and temperature, underground water can take different routes.

Groundwater can flow into oceans, lakes, and rivers. Besides, it can also go underground and create aquifers. Besides, water from pavements, highways, and rooftops may become part of rivers rather than making its way into underground aquifers.

When water goes through vegetation and soil, it adds to the water reservoirs underground.

Generally, groundwater is free of many types of impurities. The thing is that rocks, sand, and soil act as powerful natural filters. And these filters can remove a lot of impurities from the water before it reaches the underground reservoir.

The downside is that water also collects a lot of foreign particles and minerals by the time it becomes part of underground water. Therefore, water from deep Wells is the purest form of water. It is colorless, clear, but contains a lot of minerals due to exposure to rocks.

Surface Water

The primary source of surface water is runoff and precipitation. Apart from this, other sources of surface water are pounds, oceans, rivers, streams, and lakes. Generally, the quality of surface water depends on a lot of factors, such as pollutants and the surrounding environment.

Generally, surface water is full of bacteria and different types of impurities when compared to groundwater. In most cases, you can get your water from a lot of sources, such as groundwater and surface water.

Quality of water and the source

As said earlier, the quality of water depends on the source of water. Typically, groundwater contains a lot of dissolved minerals when it goes through natural filters, such a send, earth's crust, rock, and sediment.

By contrast, common sources of surface water include streams, rivers, and lakes. Generally, this type of water contains different types of foreign particles, such as bacteria.

It is essential to keep in mind that water is a powerful solvent. It has the ability to dissolve different types of matter that it comes across. If you get your water from a river that is located near a manufacturing plant, your tap water may be more polluted. On the other hand, if you get your water from a source that is located near a river, it may contain more bacteria but fewer minerals.

So, you may want to consider the surrounding environment of your source of water before you decide on the quality.


In short, you may have now a better understanding of the sources and how it impacts the quality of your drinking water.

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