Miss Harper Completes Historic Tunnel

Charleston Water System just hit a major milestone on its $135 million sewer tunnel project in West Ashley — and it’s a win for the community. The tunnel, designed to last 100+ years, is tackling chronic sewer overflows and upgrading aging infrastructure. The star of the operation? “Miss Harper,” a massive tunnel boring machine that dug 20,000 feet in just under a year — finishing three weeks early and under budget. Now, the machine is being lifted out for a well-earned break, while crews move to install over a thousand sections of 60-inch pipe inside. This upgrade will replace a faulty pump station on Plum Island, slashing environmental impacts and paving the way for cleaner water and a healthier future. Support the show:Get a discount at https://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/83e8b2a3bb308aae