Sewerage contractors in Haro have helped in maintaining public health in the country. Sewerage contractors have a team of trained plumbers to clear clogged drains. Such contractors operate sanitary companies that offer a range of services related to solving drainage issues and projects. They clear all types of sewerage blockage in pipelines. These contractors also do repair and maintenance of sewage pipes that help to maintain the sanitary conditions in Haro. The sanitary companies are generally hired by the government or by individuals. Sewer blockage is usually cleared using high velocity jetting or power bucketing. It uses high pressure water pumped through specially designed nozzles to clean sewer blockage.