Part of Lincoln’s new wastewater plan included a multi-phased Salt Valley Relief Trunk Sewer project that provides relief and additional flow capacity necessary to meet future growth in south and southwest Lincoln. In Phase V of the Salt Valley project, the new sewer extension needed to connect to the existing system, which was located at a higher elevation. Thankfully, the consulting engineer’s discovery of the Vortex Flow Insert provided a simple solution for both odor and corrosion control.