Im in the design phase of my greywater system in a 1 bathroom house on a raised foundation. Kitchen sink and dishwasher will be routed to the front
yard for 2-4 avocado
trees and whatever else we plant on the edges of the mulch basins using a branch drain style system. We expect this system to provide 10-15G/day(GPD) and
should be relatively cheap and easy to install. However, the backyard will be a little more complex. We will have
water from the bathtub, bathroom sink, and laundry room flow out this way. Were expecting closer to 50-100GPD out of here depending on if our boys have a bath night and how many laundry loads were doing, but on average through the week 50-100GPD. Ive got lots of trees to water, but I think making all the branches in the system and leveling the ells is going to be too complex. Ive seen people using 1” irrigation piping to make it easier, and just use a 1/4” or 1/2” tee to deliver the water.
How do they make sure all the trees get the same amount of water if theyre not making all the tees level?
How are they flowing out such a skinny opening and not clogging the pipe?
I already have drip emitters running to my 50+ fruit trees and have toyed with the idea of a constructed wetlands with filters and pumps to use the existing line, but it just seems like too much work and money for that. The side of the house that this greywater pipe should be coming from is not heavily planted so anything is possible as far as how many trees get it and what kind. Its also the side of the house that has the rain tanks. Ive though about making it really simple and sending it to a pit inside a banana circle or 1/2 to a banana circle and 1/2 to a papaya circle. Theres also a 3’ deep
hugel pit with a 3’ hugel mound on top thats a possibility for the water, but Im more interested in how that plays out this year without supplemented water. Im in zone 10a mediterranean climate and can grow some bananas, but not coconuts and it chills
enough to get apples and stone fruits. Im hoping to get this piped and planted out before the rains come in a month or so.
Are there fruit trees that do better than others with greywater?
How close to the house can you safely dig mulch basins?