The WOG Group has expanded the range of its assistance for systems at Domestic sewage treatment plants. During their organic and natural purging cycles, domestic sewage purification systems use very little synthetics. We have built a reputation for ourselves in a number of sectors by going above and beyond for our customers. Our private wastewater purification systems work well and are reasonably priced. The water from a municipal sewage treatment facility is meticulously cleaned before being reused.