"Official reports released Monday say the catastrophic damage to Oroville Dam’s main spillway probably stemmed from swift water flows under the concrete chute, which was cracked and of uneven thickness."

"The U.S. Air Force says it won't provide safe drinking water to Oscoda residents affected by chemical pollution from the former Wurtsmith Air Force Base because a Michigan law seeking that is discriminatory."

"A giant aquifer below an eastern Idaho federal nuclear facility is as free of radioactive contamination and other pollutants as it has been in more than six decades of monitoring but the water level of the aquifer is at its lowest ever recorded, according to a U.S. Geological Survey report released this week."

"The Trump administration has hit the pause button on an Obama-era regulation aimed at limiting the dumping of toxic metals such as arsenic and mercury by the nation’s power plants into public waterways."

"On the Navajo Nation, kids with the most severe developmental disabilities attend a school called Saint Michael's Association for Special Education."

"Eric Newman speeds through the maze of bayous at the Mississippi River's mouth with the confidence of someone who's done this for decades. He points to prime spots to catch redfish, where crabbers go for blues and the grassy channel where his grandfather had a fishing camp. Suddenly, he slows his boat."

"A spill at the U.S. Steel plant in Portage this week leaked a toxic chemical into Burns Waterway, a Lake Michigan tributary, forcing the closure of beaches in and around the Indiana Dunes National Lakeshore and leaving officials scrambling to determine the extent of damage caused to the local environment."

"U.S. EPA plans to repeal and replace the Clean Water Rule with two separate rulemaking processes, an EPA official told the Association of State Wetland Managers yesterday."