换两个tank。以前前后院各一个，现在要都换到前院来。我估计会有管道改动。

所有跟帖： 

• do you have enough area for leach field for both tanks -borisg- ♂ (0 bytes) () 02/14/2023 postreply 20:20:13

• 是，我签约的是正规公司，做了几十年了，他们评估过。房子占地超过1/4英亩，前院大，让我砍了一棵无比大的树。 -守月- ♀ (0 bytes) () 02/14/2023 postreply 20:30:32

• be really careful. 1/4 acre is very small for septic tanks -borisg- ♂ (202 bytes) () 02/15/2023 postreply 03:01:05

• Good points... the permit should cover that and there will b -冬前- ♂ (91 bytes) () 02/15/2023 postreply 05:31:51

• here you would probably need at least 1 acre to have septic. -borisg- ♂ (0 bytes) () 02/15/2023 postreply 05:40:23

• 我脑子清醒了。这房在06年翻过，3卧改4卧，全部没有permit，我猜后院的tank是那时新装的。那么，是否现在我只换前 -守月- ♀ (110 bytes) () 02/15/2023 postreply 06:34:20