As one landlord at The Miller of Mansfield told us: "We spend more on sump pumps than on beer pumps." The traditional answer to commercial drainage issues is the Thames Tideway Tunnel (the "Super Sewer"), a £4.5 billion mega-project set to finish in 2025. It will capture 95% of the sewage currently spilling into the tidal Thames.
Note: I assume "goring" was a typographical or autocorrect error for or "pouring" (as in stormwater outflow). If you meant the village of Goring-on-Thames specifically, the commercial drainage issues there are covered in the final section. The Hidden Torrent: Why Commercial Drainage is Becoming the Thames’ Biggest Nightmare By [Author Name] commercial drainage goring on thames
Unlike London’s clay, Goring sits on chalk and gravel. During winter, the water table rises and literally gorges (pours into) the commercial sewer pipes through cracks. Local pubs and the Goring Hotel Spa have reported that their drainage systems cannot handle the "clear water intrusion." The result? During peak flow, the local pumping station cannot keep up, leading to sewage backing up into the basements of riverside businesses. As one landlord at The Miller of Mansfield