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Water sources get polluted when garbage, human or animal faces are mixed
into the water.
Diarrhoea, Typhoid, Cholera, Dysentery, Hepatitis A etc. are some common
water-borne diseases. Common symptoms of waterborne diseases are
stomach cramps, vomiting, fever, loose motions etc.
Every year, millions of people are affected by water-borne diseases, mostly
those who lack access to clean and safe water. Access to clean water, good
hygiene, and safe sanitation is therefore essential for everyone.
Amazing With the use of water in a reservoir or dam, hydroelectric power produces electricity
Facts without releasing carbon dioxide into the atmosphere. As long as there is enough
water, electricity can be produced around the clock. However, this isn’t possible
every day because the dam or reservoir occasionally needs time to refill.
Let’s Recall
More than 3/4th part of our earth’s surface is covered with water.
We can drink 1% of the water found in lakes, rivers and other freshwater bodies.
Rainwater is the most important source of water.
Oceans, seas, lakes and rivers are natural sources of water.
We use water for different purposes.
Different ways are used by people in different areas to store water.
Water must be purified before it can be used. It is purified by chlorination, boiling
and filteration process.
Water-borne diseases are caused by drinking dirty water.
Key Words
water ocean salty glacier rainwater
natural seep groundwater filtered boiled
inland pond lake source mouth delta
fertile hydropower storage dam reservoir
canal impurities purification chlorination filteration
water-borne microbes symptom disease hygiene
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