PFAS detected in North Carolina water systems

EPA UCMR 5 monitoring (2023–2025) detected PFOA or PFOS at or above 6 parts per trillion in these 43 large North Carolina public water systems, each serving more than 10,000 people. Select a system to see exactly what was detected and the certified filters that reduce it.

North Carolina systems, highest detections first

Water system PFOA (ppt) PFOS (ppt) vs. 4 ppt reference
Greensboro, City of 5.6 35.6 8.9×
Brookwood Comm WTR System 27.5 33.3 8.3×
Robeson County Water System 30 6.1 7.5×
Fayetteville Public Works Comm 11 21.8 5.5×
Bayleaf Master 10.4 21.3 5.3×
Cliffdale West 16.3 19.5 4.9×
South Granville WTR&Sewer Authority 11 19 4.8×
Iredell Water Corporation 18.8 4.9 4.7×
Burlington, City of 13 17 4.3×
Asheboro, City of 10.2 16.3 4.1×
Sanford, City of 9.4 16 4×
Spring Lake, Town of 9.4 15.6 3.9×
Dunn, City of 12 14.4 3.6×
Old North Utilities Services/Ft Bragg 8.7 14.3 3.6×
Johnston Co-West 7.6 14.1 3.5×
Brunswick County Water System 7.7 12.4 3.1×
Harnett Regional Water 7.7 12.3 3.1×
Holly Springs, Town of 5.9 12 3×
Oak Island, Town of 7 12 3×
Deep Run Water Corporation 7 11.5 2.9×
Fuquay-Varina, Town of 11 11 2.8×
High Point, City of 4.2 11 2.8×
Archdale, City of 5.6 10.6 2.6×
Eastern Pines Water Corp 6.1 10.4 2.6×
Harrisburg, Town of — 10.3 2.6×
North Lenoir Water Corp 6 10.1 2.5×
Bell Arthur Water Corp 4.4 9.9 2.5×
Johnston Co-East 7.7 9.7 2.4×
Moore Co Public Util-Pinehurst 8.5 9.6 2.4×
Rocky Mount, City of 8.6 9.4 2.4×
Concord, City of — 9.1 2.3×
Elon, Town of 5.3 9 2.3×
Aberdeen, Town of 4.8 8.8 2.2×
Kinston, City of 4.8 8.5 2.1×
Clayton, Town of 8.2 8.1 2×
Lumberton, City of 5.7 7.9 2×
Mebane, City of 7.8 7.4 1.9×
Smithfield NC, Town of 4.7 7.7 1.9×
Graham, City of 7.6 7.4 1.9×
Greenville Utilities Comm 7.6 6.3 1.9×
Hamlet Water System 5.7 6.9 1.7×
Goldsboro, City of 6.6 6.8 1.7×
Lincolnton, City of 6.1 — 1.5×

Highest single EPA UCMR 5 detections (2023–2025), in parts per trillion. The last column is the multiple of the 4 ppt federal reference level for PFOA/PFOS — shown as context only, not a compliance or health determination. — means the compound was not detected at or above 6 ppt.

Not sure what's in your own water? Test it first, then run the selector for a recommendation matched to your home, or read what PFAS is and how it's removed.