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Originally Posted by Setec Astronomy  Wow, I've never heard of a house with separate drain plumbing for the sinks and showers from the toilets. What do you call that...you have sanitary lines for the toilet, and gray water lines for the sinks and showers? Sounds to me like all that extra plumbing and keeping it all straight would be more expensive than just having a properly sized septic system, but then again, you do live in one of those affluent areas where people would pay more to run their gray water somewhere other than the septic system. |
Its not that complicated. All of the pipes in our house go to the basement. It just so happens when they built the house, they made it so all the showers and sinks in the bathrooms went into one 2" pipe with the washer(which is in the basement). We cut that and sent a pipe over the hill for the showers and sinks. Works out great!
Usually you have one big tank(ours is 10, 000 gallons) then a smaller tank for the water. The water stays on top of the poo then goes into another small box called a distribution box. This is where all the water goes out into the yard.