If the underground water is used, the source of the underground water shall be at a distance of at least 15 meters away from the septic tank and waste pile-up site.
If the underground water is used, the source of the underground water shall be at a distance of at least 15 meters away from the septic tank and waste pile-up site.
使用地下水者，其水源应与化粪池、废弃物堆置场所等污染源保持至少十五公尺以上之距离。