B.C. doesn't know where all its groundwater is going. Experts worry as drought looms

Growing up on a ranch in the Columbia River Valley, water has always been part of Kat Hartwig's life, and over the years, she's noticed changes. Marshy areas her family used for irrigation or watering cattle are dry, wetlands are becoming 'crunchy' rather than spongy underfoot, and snowmelt is disappearing more quickly each spring, ushering in the dry summer months, Hartwig says.