Three Years to Fix 100 Million People's Water Problem

The EPA dropped a bomb in March 2023, when it proposed the first-ever national drinking water standards for PFAS. It finalized them on April 10, 2024.

PFOA and PFOS can't exceed 4.0 parts per trillion. That's not a typo. Trillion. With a T.

The rule isn't just about numbers. Water systems got three years from finalization to complete their initial monitoring — by 2027 — and five years, to 2029, to bring the water under the limits. (Update, September 2026: in May 2026 EPA proposed letting systems request until 2031; the limits themselves stay.) They have to monitor. They have to notify the public. They have to fix problems.

Most offices I visit have never heard of this rule. That's a problem.

The Scale Is Massive

The EPA estimates the rule will reduce PFAS exposure for approximately 100 million people, prevent thousands of deaths, and reduce tens of thousands of serious illnesses.

That's close to one in three Americans.

Your office is probably in that group.

Why Offices Are Behind

I sell water systems. Full disclosure. But I see the same pattern everywhere.

Facilities managers think this is someone else's problem. They assume the municipal water already handles it. They wait for their landlord to fix it. They hope it goes away.

It won't.

PFAS doesn't break down naturally. It doesn't boil off. A basic taste filter won't remove it. Madison's Water Utility needed a $5.9 million activated carbon and ion exchange plant to put Well 15 back in service after PFAS shut it down in 2019 — that's the class of treatment that works.

The Three-Year Clock

Three years to finish monitoring sounds like forever. It's not.

First, systems need to figure out if they have a problem. That means testing. Real testing, not the basic stuff most offices do.

Then they need to design solutions. That takes months. Good filtration systems aren't Amazon Prime eligible.

Then installation. Then commissioning. Then ongoing monitoring to prove compliance.

Most offices haven't even started step one.

What Actually Works

Carbon filtration can handle PFAS. But not all carbon filtration. You need activated carbon specifically designed for these chemicals.

Reverse osmosis works too. But RO systems need maintenance. They need monitoring. They need someone who knows what they're doing.

Point-of-use systems make sense for many offices. You put the filtration right where people drink. You control the quality at the tap. You don't rely on pipes that might add contamination.

The Notification Requirement

Here's the part nobody talks about. Water systems have to notify the public of PFAS levels.

That notice goes to the utility's customers — which for most offices means the landlord's mailbox, not your team's inbox. Your employees will hear about it from the local news, then ask you what's in the breakroom water.

Your HR department is not ready for that conversation.

The Real Timeline

Monitoring wraps up in 2027. Compliance lands in 2029, or 2031 if the extension goes through. We're already into year two of knowing this was coming.

None of those deadlines apply to your office directly. That's the trap: nobody is going to make you do anything, so the water in your breakroom stays exactly as good as whatever your utility manages, on whatever schedule Washington settles on.

The EPA gave everyone a roadmap. Most people threw it away.

Your office water system was built for a different set of rules. The rules changed. The water didn't fix itself.