groundwater Oregon's 2nd Largest Mega-Dairy Receives Key Permit By Courtney Flatt • Mar 31, 2017 Clint Thompson/University of Georgia / Flickr Listen Listening... / 1:02 Environmental groups and small farmers say they will continue to fight a mega-dairy in Eastern Oregon that received a key permit. They say the dairy will harm water and air quality in the region. Mosier Groundwater Contaminated After Oil Train Derailment By Kate Davidson & Spencer Raymond • Jul 20, 2016 Washington Department of Ecology Listen Listening... / 0:52 Oregon’s Department of Environmental Quality has found contaminated groundwater at the site of last month’s oil train derailment in the Columbia River Gorge. Eastern Washington's Declining Ground Water Highlighted In Draft Legislative Report By Emily Schwing • Jun 23, 2016 Ken Lund / Flickr Listen Listening... / 0:52 Groundwater in parts of the Columbia River Basin is declining. That’s one result from an analysis of long-term water supply and demand in Eastern Washington.