If you're relocating to coastal Carolina from somewhere like DC, New York, or Raleigh, there's a good chance you've already Googled some version of "Cape Fear River PFAS Chemours GenX" at 11pm on a Tuesday. And then you found articles. And then you found a documentary. And now you're looking at houses in Hampstead wondering if you should be worried about the tap water.

This is one of the most common questions I get from buyers moving to Pender County, so let's tackle it head-on. I'm a REALTOR®, not a toxicologist — so everything below is sourced from public utility records, EPA guidance, and local reporting. Links throughout and a full source list at the bottom so you can do your own digging.

The short answer

Yes, Pender County Utilities (PCU) filters PFAS out of its tap water — partially, and within EPA's enforceable legal limits. But "under the limit" and "zero" are two very different things, and there are a few wrinkles every buyer should know.

What PCU actually does

The Pender County Surface Water Treatment Plant draws raw water from the Lower Cape Fear River — yes, the same river that runs past the old DuPont/Chemours Fayetteville Works plant. To deal with what's in that water, PCU uses:

Sand and anthracite filters (standard stuff)

Four Granular Activated Carbon (GAC) vessels that target PFAS, GenX, taste, and odor

GAC is one of only two technologies (along with reverse osmosis) proven to meaningfully reduce PFAS in drinking water. PCU swaps those filters every six months on a steady schedule, which matters — GAC effectiveness drops sharply when filters get loaded up. (WHQR has a good walk-through of how that compares to CFPUA's process.)

The numbers — and what they actually mean

Third-party testing by Enthalpy Analytical (reported by PCU and covered by WECT in May 2024) showed PFOA dropping from 4.47 ppt in raw river water to 1.95 ppt in finished tap water.

For context, here's how that stacks up against the three standards that matter:

EPA enforceable limit (MCL, 2024): 4 ppt

EPA lifetime health advisory (2022): 0.004 ppt

Pender's finished water: 1.95 ppt

So Pender's water is legally compliant — well under the EPA's enforceable 4 ppt ceiling. But it's also about 488 times the EPA's non-binding health-based advisory, which was set in 2022 based on newer science suggesting PFOA causes health effects at much lower levels than previously understood.

One thing worth flagging: the EPA's PFAS rule has been actively litigated and revised. In May 2025, EPA announced it would keep the 4 ppt MCL for PFOA and PFOS but extend the compliance deadline to 2031, while moving to rescind the rules for four other PFAS compounds (PFHxS, PFNA, GenX, and the Hazard Index mixture). Translation: the 4 ppt PFOA standard you see referenced here still stands, but the broader regulatory landscape is moving. Harvard's Environmental and Energy Law Program maintains a tracker if you want to keep tabs on it.

That gap between the legal limit and the health advisory isn't a Pender problem — it's a national reality. The vast majority of public water systems in the US are in the same boat.

Three wrinkles every buyer should know

1. Not everyone in Pender County is on PCU. Aqua NC serves chunks of the county as a private utility — different system, different filtration, different test results. Check the top of the water bill on the seller's disclosure to see who's actually providing the water at the property you're considering. The Environmental Working Group's Tap Water Database lets you look up any utility by zip code.

2. A lot of Pender homes are on private wells. PCU only serves about 11,000 residents across six water districts (Rocky Point/Topsail, Scott's Hill, Maple Hill, Central Pender, Moore's Creek, Columbia-Union). Plenty of rural Pender properties are on wells — and well water in this part of the state can have its own PFAS story depending on proximity to historic discharge. Chemours' 2019 consent order with Cape Fear River Watch requires the company to provide filtration or utility hookups for wells above certain thresholds. Coastal Review has solid coverage on who qualifies. If you're buying a well property, get it tested as part of your due diligence.

3. GAC doesn't catch everything. According to county documents reported by Port City Daily, PCU's GAC filters don't remove PFHxA — one of the PFAS compounds NC DEQ has proposed regulating separately. PCU is planning a new membrane filtration plant in Hampstead, expected to be operational by 2028, which is designed to address the gaps GAC leaves behind.

What's actually in the pipeline (literally)

PCU received a $400,000 grant from the NC Department of Environmental Quality in 2024 to study enhanced filtration options. The new Hampstead membrane plant is the long-term play. In the meantime, the existing plant earned a 2023 NC Area Wide Optimization Award for water quality performance, which is genuinely meaningful — it's not a participation trophy.

What buyers can actually do

If you want to drop your home's PFAS exposure to functionally zero regardless of which utility serves you:

Reverse osmosis (RO) filter under the kitchen sink — $200 to $500 installed, brings PFOA, PFOS, and most other PFAS down to non-detect levels at the tap you actually drink from. This is the move I personally recommend buyers consider, especially families with young kids, anyone pregnant, or anyone immunocompromised.

Whole-house GAC system — bigger investment ($1,500–$4,000) but treats every fixture. Worth pricing if you're already remodeling.

For well buyers — full PFAS panel as part of your inspection contingency. Don't rely on the standard well water test, which won't catch PFAS. Clean Cape Fear keeps a current list of testing resources for our area.

None of this is meant to scare you off the coast. The water here is legally safe to drink, and it's been getting steadily cleaner over the last decade. But you're spending hundreds of thousands of dollars on a home — a few hundred more on a filter you control yourself is a reasonable line item, and it gives you certainty no public utility can.

The bottom line

Pender County's tap water meets every current federal standard. It's not contamination-free in the sense newer health science would prefer, but it's a long way from where it was in 2017. Knowing the difference between "legally compliant" and "optimal" is just good due diligence — the same way you'd check flood zones, HOA covenants, or insurance quotes before you write an offer.

If you're house hunting in Hampstead, Scott's Hill, Rocky Point, or anywhere else between the river and the sea, and you want help thinking through which utility serves which neighborhood — or you want a referral for a local water testing lab — reach out. That's literally what I'm here for.

Tabi Klein is a REALTOR® with Coldwell Banker Sea Coast Advantage in Wilmington, NC, serving New Hanover, Brunswick, and Pender counties. This post is informational and is not health, legal, or environmental advice. Always consult licensed professionals for testing and treatment decisions on your specific property.