Is Fairfax Water safe to drink in 2026?

Fairfax Water meets every drinking water requirement currently in force, and the utility has publicly said customers can be confident in the water it provides. Separately, it has told its board that it does not yet meet the incoming federal PFAS limits and that compliance will take years and cost more than $500 million. Legal today and above the health guideline today are both true.

How much will PFAS removal cost Fairfax Water customers?

The utility estimated one-time and ongoing costs at more than $500 million, and its general manager said customers will not be shielded from rising expenses. The cost is expected to reach households through rate increases rather than a separate charge.

When does Fairfax Water have to meet the PFAS limit?

EPA has proposed extending the compliance deadline for PFOA and PFOS from 2029 to 2031. That proposal is not final, so the date can still move.

What removes PFAS from tap water at home?

Reverse Osmosis (RO) at the kitchen tap is the most reliable home method, and some activated carbon filters certified specifically for PFAS also work if the cartridge is replaced on schedule. A water softener does nothing for PFAS, and boiling concentrates it rather than removing it.

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Fairfax Water and PFAS: what the utility actually said

A half-billion-dollar fix, a deadline that moved to 2031, and water that is legal today. All three are true at once.

In June 2026, Fairfax Water told its own board that removing PFAS will be a generational project costing more than half a billion dollars, and that the system currently sits just over the incoming federal limit. If you drink Fairfax Water, that is the honest version of where things stand. Nothing about it means the tap is unsafe today. It does mean the fix is years away, and it will arrive on your water bill.

What was actually said

At a board meeting on June 2, 2026, the utility laid out where it stands on per- and polyfluoroalkyl substances, the forever chemicals. The points worth keeping:

Fairfax Water serves about 2.2 million people across Northern Virginia, and currently meets every requirement in force.
It does not yet meet the incoming federal PFAS limits, described as being over by a small margin.
One-time and ongoing costs to comply were estimated at more than $500 million, and the general manager was direct that customers will not be shielded from that.
The utility opted out of the national settlements with chemical manufacturers in early 2025 and filed its own suit instead.
EPA has proposed pushing the PFOA and PFOS compliance deadline from 2029 to 2031.

Legal today, above the guideline today, and changing in 2031. All three are true at once. That combination is the entire reason this site exists: the standard your water is measured against is not the same as the level researchers consider safe, and the standard itself is moving.

What it means for your glass this week

Nothing changes today. The water leaving the plant meets the rules in force, and Fairfax Water has been publicly clear that customers can be confident in it. What changes is the planning horizon: if you were waiting for the utility to solve PFAS before deciding whether to filter your own drinking water, the utility just told you that wait is measured in years, not months.

The other thing worth internalising is that this is not a Fairfax problem. Northern Virginia has shown up repeatedly in regional PFAS testing, which is why the contaminant appears on so many local reports. See what Fairfax Water's own numbers look like, or check any of the other 57 systems.

What removes PFAS, and what does not

Reverse Osmosis (RO) at the kitchen tap. The most reliable home method for PFAS, and it addresses the water you actually drink and cook with. How installation works.
Certain activated carbon filters, if they are certified for PFAS specifically and the cartridge is changed on schedule. A generic carbon pitcher is not the same thing.
A water softener does nothing for PFAS. Softeners remove calcium and magnesium. They are the right answer to hard water and the wrong answer to this.
Boiling makes it worse, not better. Water leaves as steam and the PFAS stays behind, slightly more concentrated.

Should you test your own water for PFAS?

Usually not, if you are on a public system that publishes its results, because the utility is already testing and the number is public. Testing your own tap makes sense when you are on a private well, which nobody tests for you, or when you want a defensible before-and-after around installing treatment. The three ways to test your water covers what each method can and cannot see.

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Go deeper: where Arlington's water comes from · PFAS explained, with citations · Fairfax Water's numbers · Reverse Osmosis (RO) installation