PoliticsReports of groundwater pollution in Oregon surface in a US Senate hearingBy Emily Cureton Cook (OPB)Sept. 11, 2023 1 p.m.Federal regulators declined to investigate Crook County community’s claims against a mining company. 📨 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