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.
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.
