When the drill string punched through a consolidated clay layer at 312 feet depth beneath a rural property in Clearwater, British Columbia in December 2021, the water well drilling contractor operating a 2007 heavy-duty truck-mounted unit encountered something the crew had not anticipated: a pressurized pocket of methane that overwhelmed the borehole and ignited at the surface, triggering a 3-day industrial well control and cementing response that would eventually generate claims exceeding $1,000,000. The property owners who had contracted for a domestic water supply found themselves instead facing an industrial-scale emergency, and in the litigation that followed, they alleged that both the residential developer who had subdivided the land and the water well drilling contractor who performed the work had failed to investigate known regional gas hazards before drilling commenced. The contractor mounted a defence grounded in unforeseeability, arguing that the gas pocket could not have been predicted and that all regulatory protocols had been followed. At the heart of this dispute lies a question that cannot be resolved without understanding the geological context of the British Columbia Interior: what subsurface hazards exist in the Clearwater region, how widely known are they within the drilling industry, and what does that knowledge mean for the legal concepts of foreseeability and standard of care that govern negligence analysis?