Sewer Line Blockage by condormarketing | Apr 25, 2016 | Hydrojetting | 0 comments Hydrojetting is especially effective when a blockage in the sewer line is causing wastewater to back up through the drains. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ