It is important to conserve water because it is very important for humans + enviroment ; also, rainfall is not always assured (seasons , location , global warming )
Why?
We need a supply of drinking water (humans can only survive 3 days)
farmers need water to grow food
Water is important in industry
washing things
could change habitats -> death
How?
Shower instead of bath
turn tap off when not in use
Repair dripping taps
Collect rainwater for plants / washing car
watering plants with waste water
Hosepipe ban can be enforced if there is a water shortage. However, a household cannot be told to reduce indoor usage - bath, flushing toilet, etc..