Science & EnvironmentEnvironmental regulators to test well water for contaminants in Central OregonBy Monica Samayoa (OPB)Nov. 28, 2022 2 p.m. Updated: Nov. 28, 2022 10:48 p.m.Water samples indicate a growing problem with nitrate and arsenic pollution.📨 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