Southwest (AZ NM OK TX)

"Floodwaters in two Houston neighborhoods have been contaminated with bacteria and toxins that can make people sick, testing organized by The New York Times has found. Residents will need to take precautions to return safely to their homes, public health experts said."

"GALENA PARK, Texas —  Cindy Sanchez began to feel ill while barbecuing just before Harvey's torrents started pelting this city just east of Houston, along a corridor with the nation's highest concentration of petrochemical plants."

"Democratic members of New Mexico's congressional delegation are pushing federal officials to uphold an agreement that limits oil and gas leasing on public land near Chaco Culture National Historical Park."

"A group of first responders exposed to smoke from a Crosby, Tex., chemical plant fire after Hurricane Harvey are suing the owner of the plant for more than $1 million, saying that they vomited and gasped for air in the middle of the road in a scene the suit describes as 'nothing less than chaos.'"

"CHANNELVIEW, Texas — Public health officials are investigating a case of dangerous liquid mercury that appears to have washed or blown ashore here, east of Houston, in the aftermath of Hurricane Harvey."

"The city of Houston, the Environmental Protection Agency and an environmental advocacy group are investigating a potentially hazardous plume of a carcinogenic substance in one neighborhood after a nearby oil refiner reported its operations suffered hurricane-related damage."

"U.S. EPA cannot sidestep a court-approved deal to address air pollution from coal-fired power plants in Texas, a federal court has ruled."

"Oil refineries and chemical plants across the Texas Gulf Coast released more than 1 million pounds of dangerous air pollutants in the week after Harvey struck, according to public regulatory filings aggregated by the Center for Biological Diversity."