I suspect that most tank water that is used on gardens ends up evaporating
or being used by the plants, and relatively little would end up back in
streams or adding to the water table?
2008/8/25 <>
>
> Reducing the use of mains water for garden/outdoor use would seem to be the
> ideal use of rainwater tanks.
> Not only is this volume saved from the mains but the this water finds its
> way back into the environment as ground water & evaporation.
> Local creeks benefit by reduction of flash flooding & subsequent erosion, &
> have more sustained flows due to higher water table.
> As the groundwater inflow is filtered in its journey, so the water quality
> is improved.
> As the creek flow regime is more even then fauna & flora can establish
> sustainable communities.
>
> Regards, Chris
>
>
>
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