Grade 8 Unit 1 Lesson 4

Drinking Water
- basic need of life
- impossible to survive withiut it
- home for aquatic animal

Use of Water
-domestic use: drinking, cooking, bathing, cleaning
- hydro-electricity
- irrigation
- transportation
- recreation

Sources of Water
- river, sea, lake, pond, rain, well, tubewell

Status of Drinking Water
- In Kathmandu, Bir Shamsher made tap water available for the first time.
- At present, Drinking Water Corporation is responsible for water supply in the Kathmandu valley.
- People in the rural area have to walk a day just to fetch a bucket of water.
- the people of cities also can't get water from their taps regularly.
- People of the Terai have to depend on the underground water
- Poisonous chemical named arsenic has been found in the underground drinking water

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