In search of source for Crook County well pollution, Oregon presses mining company to investigate itself

In search of source for Crook County well pollution, Oregon presses mining company to investigate itself

Negotiations over how a mining company will monitor itself amid accusations of groundwater pollution in Crook County are expected to come to a head this week. Friday is the deadline state regulators gave Knife River, a giant of the construction materials industry, to submit a final draft plan for a water sampling plan tied to its sand and gravel mining operations near Prineville.The company runs a site there that’s been under scrutiny since 2022…