Science & EnvironmentOregon governor pledges to address decades of groundwater pollution in Lower Umatilla BasinBy Monica Samayoa (OPB) and Antonio Sierra (OPB)May 4, 2023 1:23 p.m.Kotek promises “a new day” to residents affected by nitrate crisis📨 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