Also in this week's sewer and water news, a chemical reaction at the Missouri River Wastewater Treatment Plant in Omaha, Nebraska, results in a chlorine gas release, injuring four individuals

As traditional sources of water run low, concern around Arizona's water supply is growing. A team of researchers is working to address the problem by advancing water reuse techniques.

Also in this week's sewer and water news, the Montana DEQ pauses construction on a wastewater treatment system upgrade project amid environmental violations by a contractor