Former employees cite an antiregulatory mindset for environmental problems at giant Texas facility.

Tesla’s (TSLA) pollution issues have reportedly gone unaddressed at its Texas headquarters, adding another link in Elon Musk’s lengthy chain of environmental problems caused by his companies’ factories.

Tesla left the costly problems largely unaddressed during the critical ramp-up. As a result, the company’s 10 million-plus square foot plant—among the largest car factories in the world—dumped toxic pollutants into the environment near Austin for months.