Officials with the city’s water treatment facility and the state Department of Environmental Quality this week investigated a fish kill in Rock Creek in eastern Norman. According to Chris Mattingly, ...

Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China University of Chinese Academy of Sciences ...

Although workers added dechlorinating tablets to the water, the proper ratio was off due to repairs to the equipment, Mattingly said, resulting in chlorinated water being released into the ...