Nearly six metres below a South Delta residential area, workers are making upgrades to a water storage reservoir that holds millions of litres of drinking water. Work at the Pebble Hill reservoir began in the fall of 2021 to prepare for natural disasters in the future. Metro Vancouver has been steadily upgrading its reservoirs since the '90s to ensure it can provide water to the region following the "Big One" — a megathrust earthquake expected to hit the B.C. coast someday.
Fighting Floods, or Living with Water?
Every year, Lower Mainland residents prepare for the Big One. The region is located near the Cascadia subduction zone, and it’s only a matter of time before a megathrust earthquake hits. During the annual Oct. 20 ShakeOut event in southwest B.C., school kids practice diving under desks. People ready their workplaces with emergency kits and evacuation plans. But there’s another type of disaster that we’re reminded about less often: a major flood.