Oklahoma has reduced it’s imprisonment rate but the criminal justice experts say they expect the prison population to continue growing in the next six years.

Oklahoma is entitled to $829 million from settlements with drug companies or court orders. But so far, none of the money has been spent on opioid addiction treatment. Here’s where the money stands for each company or group.

About half the U.S. states don’t have a national park — including Oklahoma.

That wasn’t always the case, and the story of what happened illustrates a changing view of what national parks are for.

Lead levels are an active concern at 19 public water systems in Oklahoma, roughly 1 percent of 1,634 systems statewide, records from the Oklahoma Department of Environmental Quality show. Most, however, appear to be working with regulators to address the problem.

Oklahoma Corporation Commission issues new oil-field restrictions after a series of widely felt earthquakes in central Oklahoma.