Researchers find vast water supply beneath Central Oregon CascadesBy Rob Manning (OPB)Jan. 14, 2025 1:24 a.m.The previously unmapped aquifer is estimated to be more than three times the size of the Lake Mead reservoir in Nevada. 📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up