Christchurch Water

1. chch storm water:                                                                                                   
                                                                                                                                    
what is it?    surface water in abnormal quantity resulting from heavy falls of rain or snow.        where does it go?  storm water goes directly into streams, rivers, ponds, lakes and wet and damp places.
 what contaminates it?  The water gets contaminated by difrent types of rubbish such as cigarettes ,cans, paper or plastic bags

2. chch waste water: 
what is it? The ccc maintains wastewater systems to provide the community with a safe and healthy environment through the appropriate treatment.
where does it go? chch waste water goes to a treatment plant.
what contaminates it: drug contaminated our waste water




3. where does chch get its water? chch gets its water from underground reservoirs.
how is it purified? chch water is treated in a special way if not treated right it can give you a disease called waterborne.
what pollutes our city water before we drink it?  trash pollutes the water

4. where does Aucklands water supply come from? Aucklands water supply comes from hunua and waitakere ranges together they supply 80 percent of the regions drinking water.
(more than one place)

5. what water borne diseases are parasites can we catch in nz?  ( hopefully not in chch!!!)

Diarrhoea,arsenicosis,typhoid,trachoma,schistosomiasis,malaria,intestinal worms,HIV/Aids,  guinea worm disease and fluorosis

What do they do to us ie how do they affect us?   All of these diseases can kill you

6. chch's waste water is treated after use.
where is it treated? at a water waste treatment plant one located in lyttelton.
what are the steps involved in treating it? they use filters

What happens at each step? gutters leads to lakes and rivers
how long does each step take? each step takes about 5 mins.
Where does the treated wastewater go? the wastewater goes to a water plant to store the treated water to keep fresh.

7. small towns do not always treat their waste water in the same way as chch. TASK. name a small town that has a waste water treatment system.
waimangaroa is a small town with a water system
how do they treat their water? with water systems and they water their garden in special ways.
is it as good as chchs system? no it is not as good but it does its job and since its a small town with small numbers of people they dont need as much water as we do