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Contaminant Guide

PFAS in Your Drinking Water

PFAS 'forever chemicals' don't break down in the environment — or in your body. Wilmington, NC, Charleston, SC, and communities near military bases are at elevated risk.

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By the ClearFlow Water team · Updated · How we create content

Key Facts

  • EPA maximum contaminant level for PFOA and PFOS: 4.0 parts per trillion each, with compliance due in 2029 (EPA proposed an optional extension to 2031 in May 2026)
  • Department of Defense testing found PFAS releases at Joint Base Charleston that require a remedial investigation (on the base)
  • GenX contamination in the Cape Fear River near Wilmington is well documented
  • The EPA identifies reverse osmosis and activated carbon among treatment technologies for PFAS
  • Testing is the only way to confirm whether PFAS are present in your water

The Solution

Reverse osmosis is among the treatment technologies the EPA identifies for reducing PFAS in drinking water. ClearFlow installs reverse osmosis systems for point-of-use drinking water; reduction performance is defined by the manufacturer's published specifications and certifications and varies with water conditions.

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Frequently asked questions

What are PFAS chemicals?

PFAS (per- and polyfluoroalkyl substances) are a group of over 12,000 synthetic chemicals used in nonstick cookware, firefighting foam (AFFF), food packaging, and industrial processes. They are called 'forever chemicals' because they do not break down in the environment.

Is PFAS in South Carolina and North Carolina water?

Yes. PFAS including GenX have been found in the Cape Fear River, and the Department of Defense is investigating PFAS releases at bases including Joint Base Charleston.

What health effects are linked to PFAS?

PFAS exposure is linked to kidney and testicular cancer, thyroid disease, immune system disruption, hormonal disruption, high cholesterol, and developmental effects in children.

Does boiling water remove PFAS?

No. Boiling water concentrates PFAS rather than removing it. Reverse osmosis is the most effective residential removal method.

How do I test for PFAS in my home?

ClearFlow offers free in-home water testing including PFAS panels. Call (843) 742-1196 to schedule.

Keep reading

Related water problems

Lead in Your Drinking WaterLead has no safe level of exposure.Read more →Chlorine in Your Tap WaterChlorine taste and odor in your SC or NC tap water is a sign of disinfection byproduct risk.Read more →Chloramine in Your Drinking WaterMany SC and NC utilities use chloramine instead of chlorine.Read more →

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