I live near a closed naval airbase that used to spray tons of firefighting foam containing PFAS (the bad stuff) before they realized it was hazardous. Since we get our water from a well, I had a system installed with 2 large carbon tanks (~4 feet tall each), a UV light filter (more-so for non-PFAS bacteria concerns), and a sediment filter. Then to catch anything that might slip past, I have a reverse osmosis tank filter linked up under the kitchen sink (for drinking water).
It costs about $1200 a year to have the tanks swapped out, but don't have a monthly water bill since it's a well. Public water companies claim to do the same type of filtering, but who knows what they're actually doing. It's a good feeling knowing for sure my water is clean.
The carbon tank setup needs to be linked up where the water first comes into the property, so I wouldn't pay to have it installed unless you own the house. A setup like this isn't really feasible for an apartment. For an apartment or if you rent a house, you could call a local water filtration company and have a reverse osmosis filter tank installed under your sink. I think they also offer smaller carbon filters that sit under the sink. You could also just buy a small water cooler dispenser (for drinking water) and have 5 gallon tanks delivered as needed.
It costs about $1200 a year to have the tanks swapped out, but don't have a monthly water bill since it's a well. Public water companies claim to do the same type of filtering, but who knows what they're actually doing. It's a good feeling knowing for sure my water is clean.