Fresh water supply in the municipality of Åkersberga

By Tarja, Madeleine, Ellenor Christopher och Yarobe.

Mälaren provides 1.3 million people

• Mälaren is a lake that provides us with water.

Görvelnvärket

Sevage treatmeant circulation

Sewage treatment

• Cours cleaning: all heavier pollution get stuck here.

• Chemical cleaning: it cleans the water with metal salt and iron.

• Biological cleaning: mikroorganism eats the dirt in the water

• trash sinks to the bottom

How does the water transfer?

• We transport water through pipe nets, it is twice time longer than the equator.

What we also use the water for?

• We do things like waterskiing, boats, canoeing, waterscooters. Fishing and of course bathing.

Producing water

• Norrvatten is our most advanced water plant in Sweden.

watertower

• Stores all the water

Houshold

• Dont throw in chemical stuff it destroys the sea and the one who lives there.

• After we have usted the water it come back to the sewage treatment

Baltic sea

• The clean water goes back to the baltic sea.