 |
 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | Sewerage Law | 下水道法 | |||
| 2 | Emergency Measures Law for Construction of Sewerage Systems | 下水道整備緊急措置法 | |||
| 3 | Private Sewerage System Law | 浄化槽法 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | Sewerage Law | 下水道法 | |||
| 2 | Emergency Measures Law for Construction of Sewerage Systems | 下水道整備緊急措置法 | |||
| 3 | Private Sewerage System Law | 浄化槽法 | |||
