There are two main sources of water: surface water and groundwater. Surface Water is found in lakes, rivers, and reservoirs. Groundwater lies under the surface of the land, where it travels through and fills openings in the rocks. The rocks that store and transmit groundwater are called aquifers.

Common Source of Drinking Water: River and Lake

Introduction:
Drinking water is essential for human survival and is required for various bodily functions. It is important to obtain clean and safe drinking water to maintain good health. While there are several sources of water available, not all are suitable for drinking. One common source of drinking water is rivers and lakes.

Why is river and lake water a common source of drinking water?

1. Abundance of water: Rivers and lakes are natural sources of freshwater. They are formed by the accumulation of rainwater and runoff from surrounding areas. Due to their large size and continuous supply of water, they are abundant sources of drinking water.

2. Accessible: Rivers and lakes are often easily accessible to communities and cities. They are located in various regions, including urban and rural areas, making it convenient to tap into these water bodies for drinking water purposes.

3. Natural filtration: River and lake water undergoes a natural filtration process as it flows through various layers of soil and rocks. This natural filtration helps remove impurities and sediments, making the water relatively cleaner compared to other sources.

4. Renewable source: Rivers and lakes are constantly replenished by rainfall and other water sources, making them renewable sources of drinking water. As long as proper management practices are in place, these sources can provide a continuous supply of water.

5. Source for water treatment plants: River and lake water is often the primary source of water for municipal water treatment plants. These plants utilize advanced treatment processes such as coagulation, filtration, and disinfection to ensure the water is safe for consumption.

6. Ecological diversity: Rivers and lakes support a wide range of aquatic life and ecosystems. Protecting these water bodies for drinking water purposes also contributes to the preservation of biodiversity and ecological balance.

7. Cost-effective: Utilizing river and lake water as a source of drinking water can be cost-effective compared to other options such as desalination or groundwater extraction. The infrastructure required for water treatment and distribution from these sources is relatively more affordable.

Conclusion:
Rivers and lakes are common sources of drinking water due to their abundance, accessibility, natural filtration, renewability, and cost-effectiveness. However, it is crucial to implement proper water management strategies, including regular testing and treatment, to ensure the safety and quality of the water before consumption.