PFAS Analyte · UCMR 5
PFNA
Perfluorononanoic acid
Detection Rate — PFNA
77 of 77 monitored systems
162 detections across 162 total samples
States with Most PFNA Detections
Water Systems with Most PFNA Detections
Systems ranked by number of samples detected above the minimum reporting limit. Detection count reflects monitoring frequency, not concentration level.
Veolia Water Delaware, Inc
DE0000564 · DE · 100,495 served
Aqua Pa Main System
PA1460073 · PA · 822,600 served
West Deptford Twp Water Dept
NJ0820001 · NJ · 22,000 served
City of Fresno
CA1010007 · CA · 545,716 served
Veolia Water Bethel
PA1230012 · PA · 7,809 served
Ho Ho Kus Water Dept
NJ0228001 · NJ · 4,060 served
Dtma Main System
PA1090128 · PA · 8,655 served
Capitol Water Corp
ID4010022 · ID · 9,000 served
Emmaus Borough Public Water
PA3390032 · PA · 14,000 served
City of Pflugerville
TX2270014 · TX · 63,464 served
Georgetown Water Department
DE0000592 · DE · 7,259 served
Williamsport Mun Water Auth
PA4410173 · PA · 51,000 served
Pa American Audubon
PA1460055 · PA · 8,200 served
Doylestown Boro Water Dept
PA1090081 · PA · 8,700 served
Ambler Boro Water Dept
PA1460020 · PA · 20,000 served
All records are from official EPA UCMR 5 monitoring data. Detection counts reflect the number of samples where the analyte was reported above the minimum reporting limit (MRL). They are not compliance determinations and do not imply a health violation. The EPA MCL for PFNA is 10 ppt under the PFAS National Primary Drinking Water Regulation (April 2024).
PFNA at a Glance
Note
Individual MCL of 10 ppt finalized April 2024.