Macroinvertebrates are (mostly) the baby insects that live in rivers.

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Water
Urban water cycle
> Catchments
> Rivers and pipes
> Dams
> Water purification
> Supply mains
> Reservoirs
> Household supply
> Wastewater
> Wastewater treatment
Natural water cycle
> Evaporation
> Condensation
> Precipitation
> Infiltration
> Run-off
> Transpiration
Saving water
> In the ACT
> Savings tips
> Recycling

Wastewater treatment

Wastewater treatment is a complex process where sewage is treated to remove poisonous or toxic substances. Solids are separated out and the remaining water is cleaned for release back into the natural water cycle.

Many different approaches to wastewater treatment exist around the world.


 
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© Copyright 2003 – 2008, ActewAGL Retail. ABN 46 221 314841