You bring up an important point. In the US there are many regions with a similar rainy/dry season. What typically works best is to store rainwater from the rainy season to offset irrigation need during the dry seasons, and use the greywater during the dry season as well.
The system you describe may work, or you may have odor issues, clogging issues, and maintenance challenges. It is much easier to store rainwater than greywater. The quality of rainwater is very good, so you don’t need to treat the water. All you need are simple screens to keep out leaves and debris. Also, if you have a roof, it is very easy to collect a lot of the rainwater.
I hope this makes sense!
Best wishes with your system.
Yeah i guess you’re right Laura, it seems that storing greywater is a hassle especially for that long… I got into this cause i was trying to minimize the area of rainwater harvesting (i’m not harvesting just from the roof). but at the end, the difference is no that huge. so no greywater storage. thx again 🙂
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