PFAS Analyte · UCMR 5
PFBS
Perfluorobutane sulfonic acid
Detection Rate — PFBS
1,606 of 1,606 monitored systems
5,286 detections across 5,286 total samples
States with Most PFBS Detections
Water Systems with Most PFBS Detections
Systems ranked by number of samples detected above the minimum reporting limit. Detection count reflects monitoring frequency, not concentration level.
Bayleaf Master
NC0392373 · NC · 16,715 served
Aqua Pa Main System
PA1460073 · PA · 822,600 served
Town of Payson
AZ0404032 · AZ · 17,682 served
Cliffdale West
NC0326332 · NC · 15,220 served
Ridgewood Water
NJ0251001 · NJ · 61,700 served
Brookwood Comm Wtr System
NC0326127 · NC · 15,380 served
Northampton Bucks Co Mun Auth
PA1090089 · PA · 36,750 served
Colbert County Rural Water System
AL0000314 · AL · 13,395 served
City of Georgetown
TX2460001 · TX · 191,639 served
Town of Hampstead
MD0060003 · MD · 6,600 served
Chatsworth
GA2130000 · GA · 28,262 served
West Side Consolidated
FL6421144 · FL · 54,542 served
Ambler Boro Water Dept
PA1460020 · PA · 20,000 served
Paw Glen Alsace Div
PA3060088 · PA · 24,951 served
City of Fresno
CA1010007 · CA · 545,716 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.
PFBS at a Glance
Note
No individual MCL. Part of PFAS mixture Hazard Index rule (April 2024).