In a budget proposal released this month, Gov. Katie Hobbs earmarked some state money for cleanup of PFAS — a group of chemicals found in many water sources that are linked to health problems like cancer. 

Known as forever chemicals, PFAS don’t break down naturally and are found in everyday products like nonstick pans and waterproof jackets. 

They're also found in a firefighting foam used for years at air bases and airports, and have been detected in groundwater in Tucson and other cities because of that foam. City and water officials are already working on treating water, but it's a slow and expensive process. 

Under the proposed budget, some $5 million in state funds will go toward treating water contaminated with PFAS. The governor’s office says the chemicals are toxic and very difficult to treat. And that funding cleanup will provide greater access to existing water sources.