Commercial Drainage Goring On Thames ^new^ May 2026

When these fatbergs block the pipes, the raw sewage doesn't back up into the street—it goes into the river. London’s combined sewer overflows (CSOs) are designed to eject stormwater mixed with sewage into the Thames when the system gets too full. Thanks to commercial grease clogging the arteries, those CSOs are triggering even during light rain. There is a new villain on the banks of the Thames: tile adhesive and concrete washout .

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. commercial drainage goring on thames

"People think flushing a wipe is harmless," says Sandra Kolve, a drainage engineer with 20 years on the river. "But commercial drainage isn't designed for volume. It’s designed for speed. When a restaurant closes at 11 PM and pours 50 liters of hot oil down the sink, it hits the cold brick sewer and solidifies instantly." When these fatbergs block the pipes, the raw

On the surface, the River Thames is the picture of serene commerce. Tourist barges putter past riverside cafés in Oxford, property developers crane over luxury flats in Putney, and freight moves silently through the Lock gates at Teddington. There is a new villain on the banks

But it cannot swallow our apathy. Next time you see a café owner hosing fryer oil toward a curb drain, or a builder washing cement into a roadside gully, remember: That drain leads to the Thames. And the Thames leads to all of us. If you are a commercial business owner along the Thames corridor and need a drainage audit, contact Thames Water’s Trade Effluent team or your local council’s environmental health office.

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]